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Unit 2 Review: Atoms and the Periodic Table (CPA)

Total questions: 72

Worksheet time: 3hrs 33mins

Name
Class
Date
1.

Where are protons located in an atom?

a)

Inside the nucleus

b)

Outside the nucleus

2.

Where are electrons located in an atom?

a)

Inside the nucleus

b)

Outside the nucleus

3.

Where are neutrons located in an atom?

a)

Inside the nucleus

b)

Outside the nucleus

4.

What charge do protons have?

a)

Positive

b)

Negative

c)

No charge

5.

What charge do electrons have?

a)

Positive

b)

Negative

c)

No charge

6.

What charge do neutrons have?

a)

Positive

b)

Negative

c)

No charge

7.

An atom of the element Beryllium has a mass number of 9. It has _____ protons, _____ neutrons, and _____ electrons

a)

4, 5, 4

b)

5, 4, 5

c)

4, 4, 4

d)

4, 3, 5

8.

A neutral atom of Oxygen has 8 protons. How many electrons does it have?

a)

6

b)

7

c)

8

d)

9

9.

What two subatomic particles are added together to get mass number?

a)

Protons + Neutrons

b)

Neutrons + Electrons

c)

Electrons + Protons

10.
How are elements arranged in the periodic table?
a)
in alphabetical order
b)
in the order in which they were discovered
c)
 in order of increasing atomic number
d)
 in order of increasing melting points
11.
The vertical columns in the periodic table are known as:
a)
groups
b)
periods
c)
valences
d)
isotopes
12.

What rule states that atoms lose, gain or share electrons in order to acquire a full set of eight valence electrons?

a)

Valence Electron Rule

b)

Octet Rule

c)

Energy Level Rules

d)

All of the above

13.

What is an atom with a charge known as?

a)

Electron

b)

Mr. Atom

c)

Ion

d)

Isotope

14.

The horizontal rows in the periodic table are known as:

a)

groups

b)

periods

c)

valences

d)

isotopes

15.

Which of these is NOT a property of metals?

a)

Shiny

b)

Ductile

c)

Malleable

d)

Brittle

16.

Which of the following IS a property of non-metals?

a)

ductile

b)

malleable

c)

shiny (has luster)

d)

poor conductor of heat/electricity

17.

True or False: Metalloids have properties of both metals and non-metals

a)

True

b)

False

18.

Which subatomic particle determines the chemical property of an atom/group?

a)

Electron

b)

Proton

c)

Neutron

d)

None of the above

19.

Lithium, Sodium, and Potassium are all examples from which group on the periodic table?

a)

Alkali Metals

b)

Alkaline Earth Metals

c)

Halogens

d)

Transition Metal

20.

Which group is purple on this Periodic Table?

a)

Alkali Metals

b)

Transition Metals

c)

Lanthanide Series

d)

Halogens

21.

What group NUMBER are the alkaline earth metals?

a)

IA

b)

IIA

c)

IIIA

d)

IVA

22.

On this Periodic Table the noble gases are the orange column and are in group VIIIA (8A). This means they have how many valence electrons?

a)

1

b)

2

c)

8

d)

10

23.

What do elements of the same group have in common?

a)

Number of valence electrons

b)

Size of valence electrons

c)

Number of orbitals

d)

Protons

24.

Maurice wants to create a model of a fluorine (F) atom nucleus. What should he include in his model?

a)

19 neutrons only

b)

9 protons and 10 neutrons

c)

10 protons and 9 neutrons

d)

9 protons only

25.

The diagram shows an atom of a neutral element from the periodic table. The atom in the diagram represents which element?

a)

beryllium

b)

magnesium

c)

sodium

d)

neon

26.

Rounded to the nearest whole number, how many neutrons, are in an atom of gallium?

a)

70

b)

39

c)

40

d)

31

27.
How many valence electrons (electrons in outer most shell) does Mg have?
a)
4
b)
10
c)
12
d)
2
28.
What varies in an isotope?
a)
Number of electrons
b)
Number of protons and atomic number
c)
Number of neutrons and mass numbers
d)
Number of protons
29.
What varies in an isotope?
a)
Number of electrons
b)
Number of protons and atomic number
c)
Number of neutrons and mass numbers
d)
Number of protons
30.
Which element has the largest atomic radius?
a)
Barium (Ba)
b)
Chlorine (Cl)
c)
Iodine (I)
d)
Magnesium (Mg)
31.
Which element is classified as a metal?
a)
Cl
b)
Si
c)
K
d)
H
32.
An isotope has three forms.  30% have a mass of 4 amu, 20% have a mass of 5 amu and 50% have a mass of 3 amu.  Average atomic mass will be closest to
a)
2 amu
b)
3 amu
c)
4 amu
d)
5 amu
33.
A neutral atom of Carbon-13 has ________ electrons and _________ neutrons
a)
13, 13
b)
6, 7
c)
7, 7
d)
6, 6
34.
Isotopes are atoms of the same element that have the same number of __________ but different number of __________ . Therefore, isotopes of the same element have different masses. 
a)
protons, neutrons
b)
protons, electrons
c)
neutrons, protons
d)
electrons, protons
35.
A neutral atom of the isotope 2612Mg would consist of
a)
12 protons, 26 neutrons, 26 electrons
b)
26 protons, 12 neutrons, 26 electrons
c)
26 protons, 14 neutrons, 14 electrons
d)
12 protons, 14 neutrons, 12 electrons
36.
A neutral atom would become an ion that has a charge of 2+ by 
a)
Losing two protons
b)
Losing two neutrons
c)
Losing two electrons
37.
If neutral copper atom (atomic number 29) becomes an ion that has a charge of 2+, how many electrons does the resulting ion have?
a)
27
b)
28
c)
29
d)
31
38.
On the periodic table, how is atomic mass represented?
a)
As an average of the mass of different isotopes
b)
as the exact mass of every atom
c)
as the mass of the most common isotopes
d)
As the masses of all protons added together
39.
What do carbon-12 and carbon-14 have in common?
a)
they have same number of protons
b)
they have the same number of neutrons
c)
they have the same atomic mass
d)
they have the same atomic weight
40.
Nitrogen has three occurring isotopes: Nitrogen-13, Nitrogen-14, Nitrogen-15. Which isotope is the most abundant?
a)
Nitrogen-13
b)
Nitrogen-14
c)
Nitrogen-15
d)
Based on the information given, it cannot be determined
41.
Anions are _______ that form ____________ ions and __________ electrons.
a)
nonmetals, positive, lose
b)
nonmetals, negative, gain
c)
metals, positive, gain
d)
metals, positive, lose
42.

What is the name of the scientist who first organized the elements into a periodic table?

a)

Dmitri Mendeleev

b)

John Dalton

c)

Ernest Rutherford

d)

JJ Thomson

e)

Erwin Schrodinger

43.

What class of elements are in the highlighted area?

a)

metals

b)

nonmetals

c)

metalloids

44.

Wat class of elements are in the highlighted area?

a)

metals

b)

nonmetals

c)

metalloids

45.

What class of elements are outlined?

a)

metals

b)

nonmetals

c)

metalloids

46.

Where are the elements that are ductile, malleable, lustrous, conduct electricity and react with acid?

a)
b)
c)
47.

Where are the elements that are colorless or different colors, are dull, do not conduct electricity and are brittle?

a)
b)
c)
48.

What is the name for the group of elements in the first column of the periodic table?

a)

alkali metals

b)

alkaline earth metals

c)

noble gases

d)

halogens

49.

What is the name for the group of elements in the second column of the periodic table?

a)

alkali metals

b)

alkaline earth metals

c)

noble gases

d)

halogens

50.

What is the name for the group of elements in the seventeenth column of the periodic table?

a)

alkali metals

b)

alkaline earth metals

c)

noble gases

d)

halogens

51.

What is the name for the group of elements in the last column of the periodic table?

a)

alkali metals

b)

alkaline earth metals

c)

noble gases

d)

halogens

52.
a)

representative elements

b)

transition metals

c)

inner transition metals

d)

metalloids

53.

Elements that don't react.

a)
b)
c)
d)
54.
a)

representative elements

b)

transition metals

c)

inner transition metals

d)

metalloids

55.
a)

representative elements

b)

transition metals

c)

inner transition metals

d)

metalloids

56.

The red arrows are pointing at ________________.

a)

groups

b)

periods

c)

lanthanides

d)

actinides

57.

The red arrows are pointing at _______.

a)

groups

b)

periods

c)

lanthanides

d)

actinides

58.
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 nuetrons
59.
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. 
60.
Electronegativity __________ from left to right within a period and __________ from top to bottom within a group.
a)
decreases, increases 
b)
increases, increases
c)
increases, decreases 
d)
stays the same, increases
61.

Which of the following elements has the smallest atomic radius?

a)

Sulfur

b)

Chlorine

c)

Aluminum

d)

Sodium

62.

Which atom has the largest atomic radius?

a)

potassium

b)

rubidium

c)

francium

d)

lithium

63.

As you look from left to right across a period, electronegativity

a)

increases

b)

decreases

64.
Atomic radius generally increases as we move __________.  
a)
down a group and from right to left across a period 
b)
up a group and from left to right across a period 
c)
down a group and from left to right across a period 
d)
up a group and from right to left across a period 
65.
Ionization energy is...
a)
the energy required to add an electron to a specific atom
b)
how much energy it takes to remove an electron from an atom
c)
the energy required to shield the outer electrons from the nucleus
d)
a measure of the ability of an atom to attract electrons
66.
The tendency of an atom to attract electrons and acquire a negative charge
a)
electronegativity
b)
charge
c)
bonding ability
d)
electron configuration
67.
As you move across the periodic table atoms tend to get smaller because, ______________.
a)
the atoms have more mass.
b)
the atoms have less mass
c)
the atoms have more protons.
d)
the atoms have less electrons.
68.

Which family/group is very non-reactive and does not donate OR accept electrons?

a)

Alkaline Earth Metals

b)

Halogens

c)

Noble Gases

d)

Transition Metals

69.

Which family/group is very non-reactive and does not donate OR accept electrons?

a)

Alkaline Earth Metals

b)

Halogens

c)

Noble Gases

d)

Transition Metals

70.

Which family/group is very reactive and accepts/steals electrons to become a anion?

a)

Alkaline Earth Metals

b)

Halogens

c)

Noble Gases

d)

Transition Metals

71.

There are two primary isotopes found in any sample of copper: copper-63 and copper-65. The isotope 65Cu composes 69.2% of the sample and 63Cu comprises the other 30.8%. Based on this data, what is the atomic mass of copper?

a)

29 amu

b)

63.546 amu

c)

64.4 amu

d)

63.6 amu

72.

Rubidium has two common isotopes, 85Rb and 87Rb. If the abundance of 85Rb is 72.2% and the abundance of 87Rb is 27.8%, what is the average atomic mass of rubidium?

a)

85.468 amu

b)

37 amu

c)

85.6 amu

d)

86.4 amu

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