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Category 1 Unit 3 Review

Total questions: 71

Worksheet time: 2hrs 31mins

Name
Class
Date
1.
Which element could be lustrous and brittle?
a)
A
b)
B
c)
G
d)
L
2.
Which element has a full valence shell?
a)
F
b)
D
c)
C
d)
E
3.

What is the name of the family that is highlighted?

a)

Alkali Metal Family

b)

Halogen Family

c)

Noble Gas Family

d)

Transition Metal Family

4.

Which element has 3 valence electrons?

a)

A

b)

B

c)

E

d)

C

5.
Which elements have the same number of valence electrons?
a)
A & C
b)
E & C
c)
F & A
d)
F & B
6.
Which element belongs to the group that is made up of only gases?
a)
D
b)
L
c)
E
d)
A
7.
Which elements are in the same period?
a)
A & F
b)
F, B & D
c)
E & D
d)
F & B
8.
Is silicon a metal, nonmetal or metalloid?
a)
Metal
b)
NonMetal
c)
Metalloid
9.
Is this a metal, nonmetal or metalloid?
a)
Metal
b)
Nonmetal
c)
Metalloid
10.

To which group does this atom belong?

a)

1

b)

3

c)

13

d)

11

11.
How many energy levels does an atom of Chlorine have?
a)
2
b)
3
c)
4
d)
7
12.
What is the group number of this atom?
a)
2
b)
7
c)
14
d)
15
13.
Which element has the same number of valence electrons as this element?
a)
Bromine (Br)
b)
Nitrogen (N)
c)
Calcium (Ca)
d)
Boron (B)
14.
How many valence electrons does an atom of oxygen have?
a)
2
b)
5
c)
6
d)
16
15.
List the two most reactive families on the periodic table.
a)
Alkali metals & Transition Metals
b)
Noble gases & Oxygen Family
c)
Halogens & Alkali metals
d)
Halogens & Noble gases
16.

The vertical (up and down) columns in the Periodic Table are called

a)

groups

b)

towers

c)

periods

d)

atomic numbers

17.
The Modern Periodic Table of Elements is arranged by
a)
atomic mass
b)
atomic number
c)
valence electrons
d)
number of isotopes
18.
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
19.
The atoms along the staircase are called 
a)
metals
b)
nonmetals
c)
metalloids
d)
noble gases
20.
Elements in a ..................have similar chemical properties.  
a)
period
b)
group
c)
row
21.
Elements in the same column of the periodic table always have the same # of _______ as one another.
a)
Protons
b)
Neutrons
c)
Electrons
d)
Valence Electrons
22.
a)

2

b)

3

c)

5

23.
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
24.
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
25.

Rank the following in order of increasing reactivity: Ge, K, Br, Ca (lowest to highest reactivity)

a)

Ge, K, Br, Ca

b)

K, Br, Ge, Ca

c)

Br, Ge, Ca, K

d)

Br, Ca, Ge, K

26.

When moving from left to right across a period, the number of protons that will be found in each element's nucleus, ___________________________.

a)

Remains the same

b)

Increases

c)

Decreases

d)

Multiplies by two

27.

The metals are located

a)

to the left of the stair step.

b)

to the right of the stair step.

c)

on and around the stair step.

28.

The non-metals are located

a)

to the left of the stair step.

b)

to the right of the stair step.

c)

on and around the stair step.

29.

The metalloids are located

a)

to the left of the stair step.

b)

to the right of the stair step.

c)

on and around the stair step.

30.

Metals are MOSTLY _____ at room temperature.

a)

solid

b)

liquid

c)

gas

31.

Nonmetals are MOSTLY _____ at room temperature.

a)

solid

b)

liquid

c)

gas

32.

Which of the following is a metal?

a)

Calcium (Ca)

b)

Neon (Ne)

c)

Oxygen (O)

d)

Sulfur (S)

33.

Nitrogen is a

a)

metal.

b)

nonmetal.

c)

metalloid.

34.
Elements in the same column of the periodic table always have the same # of _______ as one another.
a)
Protons
b)
Neutrons
c)
Electrons
d)
Valence Electrons
35.
What type of elements touch the zigzag line?
a)

Metals

b)

Nonmetals

c)

Metalloids

d)

Solids

36.
Where are the metals on the Periodic Table?
a)
To the left
b)
In the upper right hand corner
c)
On the zigzag line
d)
At the bottom
37.
In what state of matter are most of the nonmetals?
a)
Solid
b)
Liquid
c)
Gas
d)
Plasma
38.
What does the atomic number of an atom represent?
a)
Number of neutrons in the atom
b)
Number of protons in the atom
c)
Number of electrons in the atom
d)
Number of shells in the atom
39.

How do I know the Cl is a capital "C" and lowercase "L" and not an uppercase "i"?

a)

That element does not have an "i" in its name.

b)

The second letter is always lower case.

c)

All elements have two letter.

d)

It is an uppercase "i"

40.

How many PROTONS does Silicon have?

a)

14

b)

28

c)

42

41.

How many NEUTRONS does an atom of Chlorine have?

a)

17

b)

18

c)

19

d)

35

42.
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. 
43.
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
44.
Which of these elements has an electron structure most similar to that of element X?
a)
1
b)
2
c)
3
d)
4
45.
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
46.

Which two elements would have the same number of energy levels (shells)?

a)

Nickel and Palladium

b)

Magnesium and Lithium

c)

None of these elements

d)

Copper and Zinc

47.

An atom has 18 protons and 8 valence electrons. Which statement would best identify this element?

a)

The element is "happy" or stable because its outer energy level is filled.

b)

The element has an atomic mass of 18.

c)

The element is highly reactive with eight electrons in its outer shell.

d)

The element is a metal.

48.

Identify number 14 on the periodic table square below.

a)

atomic mass

b)

chemical symbol

c)

atomic number

d)

element name

49.

Poor conductor of heat and electricity is a property of ___________.

a)

metals

b)

nonmetals

c)

metalloids

50.

Using the periodic table, determine the name of the element that has 6 valence electrons and 2 energy levels.

a)

Oxygen

b)

Barium

c)

Magnesium

d)

hydrogen

51.

What determines an element's chemical reactivity?

a)

protons

b)

electrons

c)

neutrons

d)

valence electrons

52.

Where would you find energy levels?

a)

nucleus

b)

electrons cloud

c)

neither the nucleus nor the electron cloud

53.

How many VALANCE ELECTRONS?

a)

8

b)

2

c)

10

d)

24

54.

The term valence electron refers to…

a)

The total number of electrons in an atom

b)

The electrons in the first energy level

c)

The electrons in the outermost energy level

d)

Electrons that are found in the nucleus

55.

The period number of an element corresponds to...

a)

The number of electrons

b)

The number of valence electrons

c)

The number of energy levels

d)

The number of protons

56.

Elements in Group 6 of the periodic table would have how many valence electrons?

a)

2

b)

6

c)

8

d)

Unable to tell from the given information

57.

Which group on the periodic table is known as the Alkaline Earth Metals?

a)

Group 1

b)

Group 2

c)

Group 7

d)

Group 8

58.

Which element is located in Group 3, Period 2?

a)

Magnesium

b)

Lithium

c)

Helium

d)

Boron

59.

In a Bohr diagram, the number of energy levels (represented by circles), corresponds to an element’s ______________

a)

Atomic Number

b)

Group/Family Number

c)

Mass Number

d)

Period Number

60.

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

61.

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

a)

1

b)

7

c)

11

d)

17

62.

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

a)

period

b)

row

c)

group

63.

Which element is most likely to have six valence electrons?

a)

Barium (Ba)

b)

Carbon (C)

c)

Oxygen (O)

d)

Americium (Am)

64.

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

a)

Argon (Ar)

b)

Lithium (Li)

c)

Boron (B)

d)

Europium (Eu)

65.

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

a)

1

b)

5

c)

15

d)

18

66.

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

a)

1

b)

3

c)

12

d)

18

67.

Which of the following elements is most likely a metal?

a)

W

b)

X

c)

Y

d)

Z

68.

Which of the following elements is most likely a metalloid?

a)

W

b)

X

c)

Y

d)

Z

69.

Which of the following has four neutrons?

a)

Calcium (Ca)

b)

Lithium (Li)

c)

Beryllium (Be)

d)

Oxygen (O)

70.

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

71.

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

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