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Periodic Table Quiz

Total questions: 160

Worksheet time: 2hrs 57mins

Name
Class
Date
1.

Elements in the same group or family have _____________.

a)

the same number of valence electrons and different properties.

b)

the same number of valence electrons and similar properties

c)

different number of valence electrons and similar properties.

d)

different number of valence electrons and different properties.

2.

Benjamin, Ethan, and Abigail are in a science class. Their teacher gave them a shiny object that is malleable, ductile, and a good conductor of heat and electricity. When they cleaned and polished it, it became even shinier. They also noticed that it reacts with acids to form hydrogen gas. What class of elements does this object likely belong to?

a)

metals

b)

nonmetals

c)

metalloids

d)

ions

3.

What is the name of Group 1 elements?

a)

Alkali Metals

b)

Alkaline Earth Metals

c)

Transition Metals

d)

Halogens

4.

Luna, Avery, and Evelyn are studying chemistry and they come across a group of elements that are unreactive and have a full octet. What is the name of these elements?

a)

Halogens

b)

Noble Gases

c)

Alkali Metals

d)

Transition Metals

5.

Isla is studying chemistry and learns that an atom can lose electron(s) to form a positively charged ion. What is the term for such an ion?

a)

cation

b)

anion

c)

electronegativity

d)

ionic radius

6.

Where are metalloids located on the Periodic Table?

a)

In the s block.

b)

In the f block.

c)

In the d block.

d)

The elements that touch the staircase except aluminum.

7.

Ethan, Maya, and Scarlett are studying the Periodic Table in their chemistry class. They observe a pattern in the atomic radii of elements. How does the atomic radius change when moving across a period from left to right and when moving down a group?

a)

It increases left to right on the Periodic Table and decreases down a group.

b)

It decreases left to right on the Periodic Table and increases down a group.

c)

It increases left to right on the Periodic Table and increases down a group.

d)

It decreases right to left on the Periodic Table and decreases down a group.

8.

Why does the atomic radius decrease across a period?

a)

There are more protons in the nucleus that pull electrons closer.

b)

There are more electrons in the nucleus that pull protons closer.

c)

There are more protons in the nucleus that pull neutrons closer.

d)

There are more neutrons in the nucleus that pull protons closer.

9.

Elements in the same group or family have _____________.

a)

the same number of valence electrons and different properties.

b)

the same number of valence electrons and similar properties

c)

different number of valence electrons and similar properties.

d)

different number of valence electrons and different properties.

10.

Benjamin, Ethan, and Abigail are in a science class. Their teacher gave them a shiny object that is malleable, ductile, and a good conductor of heat and electricity. When they cleaned and polished it, it became even shinier. They also noticed that it reacts with acids to form hydrogen gas. What class of elements does this object likely belong to?

a)

metals

b)

nonmetals

c)

metalloids

d)

ions

11.

What is the name of Group 1 elements?

a)

Alkali Metals

b)

Alkaline Earth Metals

c)

Transition Metals

d)

Halogens

12.

Luna, Avery, and Evelyn are studying chemistry and they come across a group of elements that are unreactive and have a full octet. What is the name of these elements?

a)

Halogens

b)

Noble Gases

c)

Alkali Metals

d)

Transition Metals

13.

Isla is studying chemistry and learns that an atom can lose electron(s) to form a positively charged ion. What is the term for such an ion?

a)

cation

b)

anion

c)

electronegativity

d)

ionic radius

14.

Where are metalloids located on the Periodic Table?

a)

In the s block.

b)

In the f block.

c)

In the d block.

d)

The elements that touch the staircase except aluminum.

15.

Ethan, Maya, and Scarlett are studying the Periodic Table in their chemistry class. They observe a pattern in the atomic radii of elements. How does the atomic radius change when moving across a period from left to right and when moving down a group?

a)

It increases left to right on the Periodic Table and decreases down a group.

b)

It decreases left to right on the Periodic Table and increases down a group.

c)

It increases left to right on the Periodic Table and increases down a group.

d)

It decreases right to left on the Periodic Table and decreases down a group.

16.

Why does the atomic radius decrease across a period?

a)

There are more protons in the nucleus that pull electrons closer.

b)

There are more electrons in the nucleus that pull protons closer.

c)

There are more protons in the nucleus that pull neutrons closer.

d)

There are more neutrons in the nucleus that pull protons closer.

17.

During a science fair, Aria demonstrates that the atomic radius increases down a group on the periodic table. What is the reason for this increase?

a)

There are more electrons and energy levels.

b)

There are fewer electrons and energy levels.

c)

There are more protons that need more energy levels.

d)

There are more neutrons that need more energy levels.

18.

What is the trend for ionization energy?

a)

Across a period (left to right) it increases and down a group it decreases.

b)

Across a period (left to right) it decreases and down a group it increases.

c)

Across a period (left to right) it decreases and down a group it decreases.

d)

Across a period (left to right) it increases and down a group it increases.

19.

Mia, Noah, and Emma are studying chemistry together. They come across a term 'ionization energy'. Noah suggests that it might be the energy required to remove an electron from a neutral atom of an element. Emma thinks it's the energy change that occurs when an electron is acquired by a neutral atom. Mia believes it's the measure of the ability of an atom in a chemical compound to attract electrons from another atom in the compound. They are confused. Can you help them understand what ionization energy is?

a)

The energy required to remove an electron from a neutral atom of an element.

b)

The energy change that occurs when an electron is acquired by a neutral atom.

c)

The measure of the ability of an atom in a chemical compound to attract electrons from another atom in the compound.

d)

How close an atom is to its neighboring atom.

20.

What is the ability of an atom in a chemical compound to attract electrons from another atom in the compound?

a)

ionization energy

b)

electronegativity

c)

atomic radius

d)

electron affinity

21.

Michael, Avery, and Abigail are in a chemistry class. Their teacher asks them to determine the number of "valance electrons" in a chlorine atom for their homework. How many "valance electrons" does chlorine have?

a)

7

b)

2

c)

17

d)

8

22.
Carbon-12, Carbon-13, and Carbon-14 are...
a)
ions
b)
isotopes
c)
electronegative
d)
radioactive
23.

Anika is working on a chemistry assignment and needs to know how many Protons Bromine has. Can you help her find the answer?

a)

45

b)

79.904

c)

80

d)

35

24.
How many Neutrons does Bromine have?
a)
35
b)
80
c)
45
d)
79.905
25.
Does this carbon have the correct amount of electrons?
a)
Yes
b)
No, it needs one more
c)
No, it needs two more
d)
No, it needs three more
26.
Nitrogen has 5 valence electrons
a)
True
b)
False, it has 7
c)
False, it has 14
d)
False, it has 7.01
27.
Elements that are gases, brittle, and not conductive are
a)
Metals
b)
Metalloids
c)
Transition Metals
d)
Non-metals
28.

Potassium has 1 valence electron, would it rather gain 7 electrons or lose its one valence electron to complete its energy level?

a)

lose 1 electron

b)

gain 1 electron

c)

lose 7 electrons

d)

gain 7 electrons

29.

During a science fair, Zoe presented a sample of an element and explained that it belongs to the Alkaline Earth Metals. Which element was Zoe presenting?

a)

Calcium

b)

Lithium

c)

Phosphorus

d)

Copper

30.

During a chemistry class, Mia was asked to identify a transition metal from the list. Which of the following did she correctly identify as a transition metal? 

a)

Iron

b)

Oxygen

c)

Neon

d)

Barium

31.

Noah is working on a chemistry project about elements in the periodic table. He needs to identify which of the following is a Halogen for his project. Can you help him?

a)

Bromine

b)

Rubidium

c)

Argon

d)

Beryllium

32.

Kai is working on a science project about elements in the periodic table. He needs to identify which of the following is a Noble Gas. Can you help him choose the correct option?

a)

Krypton

b)

Chlorine

c)

Radium

d)

Gallium

33.
The number at the bottom of each square on the periodic table is the ...
a)
atomic number
b)
atomic mass
c)
chemical symbol
d)
element name
34.
The number at the top of each square on the periodic table is the ...
a)
atomic number
b)
atomic mass
c)
Chemical Symbol
d)
Element Name
35.
What is the chemical symbol for Lithium?
a)
H
b)
He
c)
Li
d)
N
36.
A proton is....
a)
A negatively charged subatomic particle
b)
A positively charged subatomic particle
c)
A neutrally charged subatomic particle
d)
The only subatomic particle located in the nucleus
37.
Which number is the atomic mass?
a)
79
b)
196.97
38.
An element's identity is determined by the number of
a)
electrons.
b)
protons.
c)
neutrons.
d)
valence.
39.
The atomic number of this pictured element is
a)
28
b)
58.6934
c)
Ni
d)
Nickel
40.
A negatively charged particle that moves around the nucleus is a(n)
a)
proton
b)
neutron
c)
electron
d)
quark
41.
How many neutrons are in a Gold atom?
a)
79
b)
196
c)
118
d)
275
42.
What is the atomic mass equal to?
a)
the number of protons
b)
the number of protons and neutrons
c)
the number of neutrons
d)
the number of protons and electrons
43.
Which subatomic particles are found in shells?
a)
Proton 
b)
 neutron
c)
electron
44.
Which subatomic particles are found in nucleus?
a)
Proton and electron
b)
Proton and neutron
c)
neutron and electron
d)
neutron, electron and proton
45.
How are the elements in the periodic table arranged?
a)
by their atomic mass
b)
by their chemical symbol
c)
by their chemical name
d)
by their atomic number
46.
What is the study of the composition, structure, and properties of MATTER?
a)
Chemistry
b)
Biology
c)
Geology
d)
Physics
47.
Anything that takes up space and has mass is known as _______________.
a)
Matter
b)
Molecules
c)
Compounds
d)
Stuff
48.
What are the building blocks of MATTER?
a)
Atoms
b)
Cells
c)
Protons
d)
Neutrons
49.
Electrons have what charge?
a)
Negative
b)
Positive
c)
Neutral
 (No Charge)
50.
Neutrons have what charge?
a)
Negative
b)
Positive
c)
Neutral
 (No Charge)
51.
The image shows the periodic grid for POTASSIUM. What is Potassium's atomic number?
a)
19
b)
39
c)
20
d)
Impossible to tell
52.
A(n) ____________________ is a pure substance made of a single type of atom and cannot be broken down.
a)
Element
b)
Compound
c)
Molecule
d)
Mixture
53.
All of these properties describe metals except...
a)
malleable
b)
conductors
c)
brittle 
d)
shiny
54.
Which element is a metalloid?
a)
Titanium
b)
Selenium
c)
Potassium
d)
Polonium
55.
Which element is least likely to conduct heat and electricity? 
a)
O
b)
Si
c)
Po
d)
Ca
56.
Which of the given choices correctly shows the three main groups of elements listed from least conductivity to greatest conductivity?
a)
Metals, Nonmetals, Metalloids
b)
Nonmetals, Metalloids, Metals
c)
Metalloids, Metals, Nonmetals
d)
Nonmetals, Metals, Metalloids 
57.
A substance that is shiny and a good conductor would be classified as a
a)
nonmetal
b)
metalloid
c)
metal
d)
metallica
58.
A substance that is dull, brittle, and a nonconductor would be classified as a
a)
metal
b)
nonnmetal
c)
metalloid
d)
metallica
59.
Aluminum can be hammered into different shapes or rolled into flat sheets. This means Aluminum is 
a)
ductile
b)
malleable
c)
lustrous
d)
high density
60.
Electrons that are free to move in metals
a)
delocalized electrons
b)
oxidation number
c)
chemical bond
d)
salts
61.

This type of element loses its valence electrons easily.

a)

metal

b)

nonmetal

c)

metalloid

62.

Why do metals conduct electricity so well?

a)

have a shared "sea of electrons" to carry the current.

b)

electrons are stuck in place so they can pass the current

c)

metals do not conduct electricity

d)

they transfer electrons from one atom to another

63.

Type of element is a semiconductor

a)

metal

b)

nonmetal

c)

metalloid

64.

Solids at room temperature

a)

metals

b)

nonmetals

65.

Metals can be drawn into thin wires. This property is known as being

a)

malleable

b)

ductile

c)

conductive

d)

lusterous

66.

Metals like to form bonds with nonmetals.

a)

True

b)

False

67.

Inner transition elements are

a)

metals

b)

nonmetals

c)

metalloids

68.

What type of elements border the “stair step” or “zigzag line” on the periodic table?

a)

metals

b)

nonmetals

c)

metalloids

d)

solids

69.

Consists of two elements in a covalent bond.

a)

metalloid

b)

diatomic

c)

Metal

d)

semiconductor

70.

Element in Group 3-12 of the periodic table.

a)

semiconductors

b)

allotropes

c)

transuranium element

d)

transition element

71.

positively charged metallic ions surrounded by a cloud of electrons

a)

metallic bonding

b)

diatomic molecule

c)

nonmetals

d)

allotropes

72.

capable of being hammered or rolled into sheets

a)

ductile

b)

nonmetal

c)

malleable

d)

allotropes

73.

elements that are shiny, good conductors of heat and electricity, and solids at room temperature

a)

nonmetal

b)

metal

c)

hydrogen

d)

helium

74.

elements that conduct an electric current under certain conditions

a)

nonmetal

b)

allotropes

c)

semiconductors

d)

malleable

75.

elements that are usually gases or brittle solids at room temperature, do not conduct heat or electricity well, and are not shiny

a)

metal

b)

nonmetal

c)

ductile

d)

malleable

76.

element having more than 92 protons, the atomic number of uranium

a)

metals

b)

nonmetals

c)

transuranium element

d)

Transition elements

77.

ability to be drawn into wires

a)

metalloids

b)

nonmetal

c)

malleable

d)

ductile

78.

forms of the same element that have different molecular structures

a)

metalloids

b)

allotropes

c)

diatomic

d)

alkali

79.

element whose nucleus breaks down giving off particles and energy

a)

transuranium

b)

transition

c)

radioactive

d)

allotropes

80.

elements having the properties of metals and nonmetals

a)

transition

b)

diatomic

c)

metals

d)

metalloids

81.

(a)   forms a salt when it gains an electron from a metal

82.

Elements in Group 1 are called (a)   metals.

83.

Gases with full outer energy levels.

(a)  

84.

Elements in Group 2 are alkaline (a)   metals

85.

(a)   elements are not naturally occurring on Earth.

86.

All known elements are organized into a chart known as the

a)

element table

b)

group table

c)

periodic table

d)

metal-nonmetal table

87.

What is a property you would expect a metal to have?

a)

It will not conduct electricity.

b)

It is dull.

c)

It is brittle.

d)

It is malleable.

88.

What pair of elements are in the same PERIOD?

a)

Scandium (21) and Bromine (35)

b)

Scandium (21) and Yttrium (39)

c)

Helium (2) and Neon (10)

d)

Iodine (53) and Astatine (85)

89.

What element below is in the same GROUP as Aluminum (13)

a)

Sodium (11)

b)

Thallium (81)

c)

Silicon (14)

d)

Argon (18)

90.

What is a metalloid?

a)

A subtype of metal that is very shiny.

b)

A mixture of two metals.

c)

An element that has properties of both metals and nonmetals.

d)

An element that behaves exactly like a nonmetal.

91.

What statement below is true about the periodic table?

a)

The heavier the element, the more likely it is to be a gas.

b)

Elements in the same PERIOD share similar properties.

c)

Elements in the same GROUP share similar properties.

d)

Elements are arranged by date of discovery, from earliest to most recent.

92.

Selenium has atomic number of 34, what does this tell us?

a)

It has a mass of 34.

b)

It has 34 protons.

c)

It has 34 neutrons.

d)

It was the 34th element discovered.

93.

How many electrons are in a NEUTRAL atom of boron?

a)

5

b)

6

c)

10

d)

11

94.

What particles are found in the nucleus of an atom?

a)

Protons and electrons

b)

Electrons and neutrons

c)

Protons and neutrons

d)

Protons, neutrons and electrons

95.

What does it mean for a substance to be ductile?

a)

It can be bent easily.

b)

It can be turned into a wire.

c)

It can be shattered easily.

d)

It conducts electricity well.

96.

What types of elements can be solid, liquid or gas at room temperature?

a)

Metals

b)

Metalloids

c)

Nonmetals

d)

Isotopes

97.

What term describes something that shatters easily when struck with a hammer?

a)

Malleable

b)

Ductile

c)

Lustrous

d)

Brittle

98.

Carbon and Sulfur are examples of...

a)

Metals

b)

Nonmetals

c)

Metalloids

d)

Gases

99.

What elements below are metalloids?

a)

Copper and Zinc

b)

Chlorine and Bromine

c)

Sodium and Magnesium

d)

Silicon and Germanium

100.

How many periods are there on the Periodic Table?

a)

7

b)

9

c)

12

d)

18

101.

What information can you NOT find on the periodic table?

a)

The number of protons of an element

b)

The average atomic mass of an element

c)

The date an element was discovered or made.

d)

The chemical symbol of an element

102.
Sodium (Na) and potassium (K) are in the same group on the periodic table. Based on their locations, which statement about sodium and potassium is true?
a)
Sodium is less electronegative than potassium. 
b)
Sodium has fewer energy levels than potassium. 
c)
Sodium has a larger ionic radius than potassium. 
d)
Sodium has lower ionization energy than potassium. 
103.
Which of these elements has the greatest atomic radius? 
a)
H
b)
N
c)
Cl
d)
Cs
104.
The Periodic Table of the Elements is useful for revealing patterns and trends in the elements. Which statement accurately describes a pattern in the size of atomic radii in the Periodic Table of the Elements?
a)
Atomic radii decrease from left to right across a period and decrease from top to bottom in a group.
b)
Atomic radii increase from left to right across a period and increase from top to bottom in a group.
c)
Atomic radii decrease from left to right across a period and increase from top to bottom in a group.
d)
Atomic radii increase from left to right across a period and decrease from top to bottom in a group.
105.
The symbols W, X, Y, and Z represent four elements shown on the outline of a periodic table.
Which element has the highest electronegativity?

a)
W
b)
X
c)
Y
d)
Z
106.
Fluorine, chlorine, bromine, and iodine all have the same number of valence electrons and have a tendency to gain electrons. Which element has the greatest ionization energy and electronegativity?
a)
fluorine
b)
chlorine 
c)
bromine 
d)
iodine 
107.
The ionization potential of an element is the amount of energy required to remove an electron from an isolated atom or molecule. According to the periodic table, which of the following indicates the correct decreasing order of ionization energy?
a)
Li > Na > K > Cs
b)
Na > K > Li > Cs
c)
Li > K > Na > Cs 
d)
Cs > K > Na > Li 
108.
All elements found on the left side of the Periodic Table of the Elements have what properties in common?
a)
They conduct heat and electricity 
b)
They are all gases 
c)
They are brittle and dull
d)
They are radioactive
109.
Which of these elements has an electron structure most similar to that of element X?
a)
1
b)
2
c)
3
d)
4
110.
Based on their locations in the periodic table, which element has chemical properties most similar to those of calcium, Ca?
a)
beryllium, Be
b)
potassium, K
c)
titanium, Ti
d)
yttrium, Y
111.
The number of valence electrons in an element affects the reactivity of that element. Which element listed has the fewest valence electrons?
a)
beryllium (Be)
b)
sodium (Na) 
c)
oxygen (O) 
d)
neon (Ne)
112.
According to the Periodic Table of the Elements, which set of elements has similar properties?
a)
H, C, I
b)
He, H, Al
c)
He, Ne, Ar
d)
Na, Ca, Al
113.
What is the family name of this group of elements? 
a)
Alkali metals 
b)
Halogens 
c)
Noble Gases 
d)
Alkali Earth Metals 
114.
Which element has 2 valence electrons? 
a)
cesium (Cs) 
b)
magnesium (Mg)
c)
boron (B)
d)
argon (Ar) 
115.
How many Valance electrons does Iodine Have?
a)
6
b)
16
c)
7
d)
17
116.
Which of the following will have a lower ionization energy than Scandium (Sc)?
a)
Helium (He)
b)
Titanium (Ti)
c)
Calcium (Ca)
d)
Magnesium (Mg)
117.
Which atom has the largest atomic radius?
a)
potassium
b)
rubidium 
c)
francium
d)
cesium
118.
Electronegativity is...
a)
how good an atom is at attracting electrons
b)
the ability of an atom to lose electrons
c)
the energy required to remove an electron from a specific atom
d)
how easy it is to make friends. 
119.
Metals have the largest - 
a)
atomic radius and electronegativity
b)
electronegativity and ionization energy
c)
atomic radius only
d)
ionization energy and atomic radius
120.
Which of the following will have a larger radius than Zinc?
a)
Gallium
b)
Aluminum
c)
Magnesium
d)
Strontium
121.
As you move down the periodic table atoms get bigger.  This is because ____________.
a)
The atoms have more mass.
b)
The atoms have more protons.
c)
The atoms have more energy levels
d)
The atoms have more neutrons
122.

What happens to the atomic numbers as you move from left to right on the periodic table?

a)

Increase

b)

Decrease

c)

Stay the same

d)

Nothing

123.

Which of the following elements is most likely to have similar properties to those of sodium (Na)?

a)

Magnesium (Mg)

b)

Sulfur (S)

c)

Francium (Fr)

d)

Titanium (Ti)

124.

If an element has 117 protons which group will it be in on the periodic table?

a)

1

b)

7

c)

11

d)

17

125.

Which element is located in group 3?

a)

Yttrium (Y)

b)

Carbon (C)

c)

Sodium (Na)

d)

Lithium (Li)

126.

Which element is located in period 4?

a)

Zirconium (Zr)

b)

Silicon (Si)

c)

Beryllium (Be)

d)

Iron (Fe)

127.

Two elements that have similar physical and chemical properties are most likely in the same...

a)

period

b)

row

c)

group

128.

Which element is most likely to have six valence electrons?

a)

Barium (Ba)

b)

Carbon (C)

c)

Oxygen (O)

d)

Americium (Am)

129.

Which element is most likely to have three electron energy levels?

a)

Argon (Ar)

b)

Lithium (Li)

c)

Boron (B)

d)

Europium (Eu)

130.

Which element is located in period 4 and group 5?

a)

Vanadium (V)

b)

Zirconium (Zr)

c)

Niobium (Nb)

d)

Titanium (Ti)

131.

Which element is most likely to have six electrons in its 4th energy level?

a)

Oxygen (O)

b)

Selenium (Se)

c)

Krypton (Kr)

d)

Potassium (K)

132.

In which group would an element that is not reactive most likely be located?

a)

1

b)

2

c)

16

d)

18

133.

In which group would an element that is very reactive most likely be located?

a)

1

b)

5

c)

15

d)

18

134.

In which group would an element that is a gas most likely be located?

a)

1

b)

3

c)

12

d)

18

135.

Which of the following elements is most likely a metal?

a)

W

b)

X

c)

Y

d)

Z

136.

Which of the following elements is most likely a metalloid?

a)

W

b)

X

c)

Y

d)

Z

137.

Which of the following elements is most likely a poor conductor of electricity?

a)

Beryllium (Be)

b)

Gold (Au)

c)

Phosphorus (P)

d)

Copper (Cu)

138.

Which of the following has four neutrons?

a)

Calcium (Ca)

b)

Lithium (Li)

c)

Beryllium (Be)

d)

Oxygen (O)

139.

What is the atomic mass of an element with 16 protons, 13 neutrons, and 16 electrons?

a)

13 amu

b)

16 amu

c)

29 amu

d)

45 amu

140.

How many neutrons are located in the nucleus of an atom that has 12 protons, 12 electrons, and an atomic mass of 28 amu?

a)

12

b)

16

c)

28

d)

40

141.
Which group of the periodic table is composed of inert (not reactive)  gases?
a)
alkali metals
b)
alkaline earth metals
c)
halogens
d)
noble gases
142.
The atoms along the staircase are called 
a)
metals
b)
nonmetals
c)
metalloids
d)
noble gases
143.
Which is an alkali metal?
a)

Magnesium (Mg)

b)

Iron (Fe)

c)

Sodium (Na)

d)

Europium (Eu)

144.

What is the name of group number 2?

a)

transition metals

b)

halogens

c)

metaloids

d)

alkaline earth metals

145.

Periodic law states that the elements are arranged according to their atomic ________ so that elements with similar chemical properties are in the same ________ and properties repeat periodically.

a)

numbers, rows

b)

masses, rows

c)

masses, column

d)

numbers, column

146.
__________ would have some characteristics of metals and some characteristics of nonmetals.
a)

Gold (Au)

b)

Sodium (Na)

c)

Arsenic (As)

d)

Bismuth (Bi)

147.

Metals (select all that apply)

a)

are found on the right side of the periodic table.

b)

are found on the left side of the periodic table.

c)

are good conductors of heat and electricity.

d)

are brittle.

e)

are malleable and ductile.

148.

Nonmetals (select all that apply)

a)

are found on the right side of the periodic table.

b)

are found on the left side of the periodic table.

c)

are good conductors of heat and electricity.

d)

are brittle.

e)

can be solid, liquids, or gases at room temperature.

149.

Which halogen is found in period 4?

a)

Krypton (Kr)

b)

Xenon (Xe)

c)

Bromine (Br)

d)

Iodine (I)

150.

Which element has similar chemical properties as sodium but has 7 energy levels?

a)

Francium (Fr)

b)

Cesium (Cs)

c)

Rubidium (Rb)

d)

Potassium (K)

151.
The number of valence electrons in an element affects the reactivity of that element. Which element listed has the fewest valence electrons?
a)
beryllium (Be)
b)
sodium (Na) 
c)
oxygen (O) 
d)
neon (Ne)
152.
Which element has 2 valence electrons? 
a)
cesium (Cs) 
b)
magnesium (Mg)
c)
boron (B)
d)
argon (Ar) 
153.

Which elements are colored red?

a)

nonmetals

b)

metals

c)

metalloids

154.

Which color on the image of the periodic table corresponds with the lanthanides.

a)

red

b)

black

c)

blue

d)

orange

155.

Which color on the image of the periodic table corresponds with the transition metals.

a)

red

b)

black

c)

blue

d)

orange

156.

This group is made of the MOST reactive metals.

a)

Transition metals

b)

Metalloids

c)

Alkali Metals

d)

Alkaline Earth Metals

157.

The most reactive nonmetals are found in

a)

period 1

b)

Group 1

c)

Group 17

d)

Groupe 18

158.

Which of the following atoms have an oxidation number of -2 when they undergo ionization (become an ion).

a)

Helium (He)

b)

Oxygen (O)

c)

Nitrogen (N)

d)

Calcium (Ca)

159.

Which of the following elements belong to the period (series) known to be radioactive?

a)

Astatine (At)

b)

Promethium (Pm)

c)

Polonium (Po)

d)

Americium (Am)

160.

Why do elements bond together?

a)

Because it is easier to survive in the world if they are bonded

b)

They share or transfer electrons to get a full outer shell to be happy

c)

They like to have a partner element to make them stronger

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