Wayground logo

Free Printable Worksheets

Font size

S
M
L
XL
Worksheets

Unit 3/4 Review

Total questions: 80

Worksheet time: 2hrs 31mins

Name
Class
Date
1.
Choose the particle that has no charge.
a)
nucleus
b)
neutron
c)
proton
d)
electron
2.

The------ particle determines the identity of what element you have'

a)

electron

b)

proton

c)

neutron

d)

valence shell

3.

WhIch sub atomic particle vary between isotopes of an element?

a)

protons, electrons, and atomic mass

b)

protons, electrons, and atomic number

c)

neutrons and electrons

d)

neutrons only

4.
How many neutrons in C-14?
a)
6
b)
7
c)
14
d)
8
5.

What are valence electrons?

a)

electrons on the first orbital always

b)

nucleus

c)

the outermost shell

d)

the number of electrons present in the outermost orbital

6.

If an atom has 15 electrons, 14 protons and 14 neutrons, the it is:

a)

a cation

b)

an anion

c)

a neutral atom

d)

more information is needed

7.

If Ca losses two electrons, it becomes:

a)

Ca2

b)

Ca+

c)

Ca2+

d)

Ca2-

8.

If an atom has 13 protons, 12 electrons and its atomic mass is 27, how many neutrons are there?

a)

14

b)

15

c)

13

d)

12

9.
Atoms are most stable when their outer shell is filled with electrons.
a)
true
b)
false
10.

How many protons does this isotope of titanium have?

a)

22

b)

26

c)

48

d)

70

11.

An element has three isotopes. Given the abundances and relative masses, calculate the average atomic mass and determine (from the periodic table) which element it is.


Abundances | Relative masses

0.005% | 234.04 amu

0.720% | 235.04 amu

99.275% | 238.05 amu

a)

Uranium (#92, Atomic Mass: 238.03 amu)

b)

Fluorine (#9, Atomic Mass: 19.00 amu)

c)

Mercury (#89, Atomic Mass: 200.59 amu)

d)

Polonium (#84 209 amu)

12.
Four isotopes of lead include lead-204, lead-206, lead-207, and lead-208.  The average atomic mass of lead is 207.2.  Which isotope of lead is likely to be the most abundant.
a)
204
b)
206
c)
207
d)
208
13.
Why are ions formed?
a)
To make our lives difficult
b)
Because atoms want 8 valence electrons
c)
Because atoms have the same number of protons and electrons
d)
Because atoms gained neutrons
14.
If an atom has the configuration of 1s2 2s2 2p6 3s1 the atom will probably
a)
gain 1 electron
b)
lose 1 electron
c)
fill the 3p orbital
d)
lose the 2p orbital
15.
Valence electrons are
a)
outer shell electrons
b)
electrons involved in reactions
c)
s and p orbital electrons
d)
all of these
16.
Positive ions will try to achieve the configuration of
a)
the atom in front of itself
b)
the noble gas behind itself
c)
the atom behind itself
d)
the noble gas in front of itself
17.
What type of radioactive decay is shown here?
a)
Alpha decay
b)
Beta decay
c)
Gamma decay
18.
What type of radiation can be stopped by clothing or a piece of paper?
a)
Alpha radiation
b)
Beta radiation
c)
gamma radiation
19.
What type of decay is shown here
a)
alpha decay
b)
beta decay
c)
gamma decay
20.

It has no effect on the state or mass of the nucleus.

a)

alpha

b)

beta

c)

gamma

d)

positron

21.

What is the net effect of beta decay during the nuclear reaction of elements?

a)

changes neutron to a proton

b)

changes proton to a neutron

c)

it has no changes at all

d)

increases the mass of the product formed by 4

22.

It has no effect on the state or mass of the nucleus.

a)

alpha

b)

beta

c)

gamma

d)

positron

23.

What is the Half Life of this isotope?

a)

3 days

b)

5 days

c)

8 days

d)

10 days

24.
_______________ is the process by which unstable atoms emit radiation until they become stable.
a)
Radiation
b)
Chemical Reaction
c)
Radioactive Decay
d)
Isotopes
25.
What is Half-life?
a)
The amount of time it takes for some of the nuclei in a sample of the isotope to decay
b)
The amount of time it takes for half the electrons in a sample of the isotope to decay
c)
The amount of time it takes for half the nuclei in a sample of the isotope to decay
d)
the amount of time it takes to double the nuclei in a sample of the isotope to decay
26.

The half-life of Zn-71 is 2.4 minutes. If one had 100.0 g at the beginning, how many grams would be left after 2.4 minutes has elapsed?

a)

100.0g

b)

50.0g

c)

12.5g

d)

8.5g

27.

The half-life of Zn-71 is 2.4 minutes. If one had 100.0 g at the beginning, how many grams would be left after 4.8 minutes has elapsed?

a)

100.0g

b)

25.0g

c)

12.5g

d)

8.5g

28.

The half-life of Zn-71 is 2.4 minutes. If one had 100.0 g at the beginning, how many grams would be left after 7.2 minutes has elapsed?

a)

100.0g

b)

25.0g

c)

12.5g

d)

8.5g

29.

What is the half life of californium?

a)

1 year

b)

2.8 years

c)

3 years

d)

5 years

30.
The three types of nuclear radiation in order of increasing penetrating power are
a)
alpha, beta, gamma
b)
alpha, gamma, beta
c)
beta, alpha, gamma
d)
gamma, alpha, beta
31.
What makes something radioactive?
a)
elements with an atomic number above 81
b)
an unstable nucleus
c)
contaminated sewage
d)
It decays over time
32.
An isotope of an element has the same number of _________, but a different number of _________.
a)
Protons, electrons
b)
Protons, neutrons
c)
Electrons, neutrons
33.
Which of the following is the correct electron configuration for a phosphorus  atom?
a)
1s2 2s2 2p6 3s2 3p3
b)
1s2   2s2   3p3 
c)
1s2 2s2 2p6 3s2 3p6 
d)
1s2 2s2  3s2 2p6 3p3
34.
Which of the following is the correct electron configuration for a neon atom?
a)
1s2 2s2 2p3
b)
1s2 2s2 2p6 3s1
c)
1s2 2s2 2p6 3s2 3p6 4s2 3d8
d)
1s2 2s2 2p6 
35.
Which group of the periodic table has an electron configuration of ns2?
a)
Metalloids
b)
Nobel Gases
c)
Halogens
d)
Alkaline Earth Metals
36.
Which group of the periodic table has an electron configuration of ns2 np5?
a)
Metalloids
b)
Nobel Gases
c)
Halogens
d)
Alkaline Metals
37.
What is the abbreviated electron configuration for silver?
a)
1s2 2s2 2p6 3s2 3p6 4s2 3d10 4p6 5s2 4d9
b)
[Kr] 5s2 4d9
c)
[Ar] 4s2 3d9
d)
[Ag]
38.
a)

14

b)

4

c)

3

d)

28

39.

The elements in this group all have 5 valance electrons.

a)

Group 5

b)

Group 15

c)

Group 3

d)

Group 18

40.
This orbital diagram represents:  
a)
C
b)
B
c)
N
d)
O
41.
What is incorrect about this orbital diagram?
a)
Both arrows in the 2p box should be pointing up
b)
There is nothing incorrect with this diagram
c)
In the there should only be 1 orbital in the first 2p box and one in the 2nd 2p box
d)
All the arrows should be pointing up.
42.
How many electrons can the d sublevel hold?
a)
14
b)
10
c)
2
d)
6
43.
How many electrons can the s sublevel hold?
a)
14
b)
10
c)
2
d)
6
44.
How many electrons can the p sublevel hold?
a)
14
b)
10
c)
2
d)
6
45.

Which area on the periodic table represents the electrons in the "d" sublevel?

a)

representative elements

b)

columns 3-8

c)

rare earth elements

d)

transition elements

46.
 The diagram above represents two electrons with 
a)
a. opposite spins.
b)
 b. the same spin.
c)
c. different energies.
d)
d. different energy levels.
47.
The blue section of the wave is measuring _________________.
a)
wavelength
b)
crest
c)
trough
d)
amplitude 
48.

Which color has the highest frequency?

a)

red

b)

orange

c)

green

d)

blue

49.
What is the correct order of the EM spectrum from low energy to high energy?
a)
UV, visible, infrared, microwaves
b)
Infrared, microwave, UV, x-rays
c)
UV, visible violet, visible red, infrared
d)
radio, microwave, UV, gamma
50.
Which has a longer wavelength: infrared or UV?
a)
infrared
b)
UV
51.

What is the frequency of a photon that has a wavelength of 850 m?

a)

3.53 x 105 Hz

b)

3.5 x 105 Hz

c)

3.5 x 105 J

d)

2.8 x 10-6 Hz

52.
Which element is depicted from this orbital diagram
a)
Fluorine
b)
Neon
c)
Chlorine
d)
Argon
53.
A wave with a large wavelength will have a ______ frequency and _____ energy
a)
high, low
b)
high, high
c)
low, high
d)
low, low
54.
Which of the following electromagnetic waves is given off as heat? 
a)
Radio Waves
b)
Infrared Rays
c)
Visible Light
d)
Gamma Rays
55.
Ionization energy is the...
a)
energy needed to remove the outermost electron.
b)
ability of an atom to attract electrons from another atom.
56.
Electronegativity is the...
a)
energy needed to remove the outermost electron.
b)
ability of an atom to attract electrons from another atom.
57.
Which element has the smaller atomic radius: potassium (K) or bromine (Br)?
a)
potassium (K)
b)
bromine (Br)
58.
Which element has the greatest ionization energy: Aluminum (Al)    or    Chlorine (Cl)?
a)
Aluminum (Al)
b)
Chlorine (Cl)
59.

The element with the lowest electronegativity in Period 3 is -

a)

Na

b)

Cl

c)

Ar

d)

Mg

60.
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
61.

If a potassium atom lost one electron, what would be the symbol for that ion?

a)
b)
c)
d)
62.
Put the following in order of increasing ionization energy:Neon, Lithium, Carbon
a)
Lithium, Carbon, Neon
b)
Carbon, Lithium, Neon
c)
Neon, Carbon, Lithium
d)
Lithium, Neon, Carbon
63.

Put these in increasing order of increasing electronegativity:

F, N, B

a)

B < N < F

b)

B < F < N

c)

N < F < B

d)

F < N < B

64.
Order the following in increasing atomic radii: 
Ra, Be, Ca, Rb, H
a)
Ra, Be, Rb, H, Ca
b)
Rb, H, Ca, Be, Ra
c)
Ra, Rb, Ca, Be, H
d)
H, Be, Ca, Rb, Ra
65.

Of this pair, Se2- has the larger radius?

a)

True

b)

False

66.

Which outline of elements are known as the transition metals?

a)

A

b)

B

c)

C

d)

D

67.
The atomic number tells you what?
a)
number of electrons
b)
number of protons
c)
number of neutrons
d)
both electrons and protons in an atom.
68.
The horizontal row on the periodic table is called a
a)
group
b)
family
c)
period
d)
atomic number
69.

What do the vertical columns on the periodic table tell us?

a)

The number of orbitals

b)

The number of valence electrons (electrons on the outer most shell)

70.

How many orbitals does Nickel have?

a)

3

b)

4

c)

5

d)

10

71.

Who discovered the nucleus?

a)

Rutherford

b)

Bohr

c)

Thomson

d)

Dalton

72.

Who discovered the electrons?

a)

Rutherford

b)

Bohr

c)

Thomson

d)

Dalton

73.

How many valence electrons and energy levels does (Pb) lead have?

a)

4 valence electrons and 6 energy levels (orbitals)

b)

6 valence electrons and 4 energy levels (orbitals)

c)

5 valence electrons and 5 energy levels (orbitals)

d)

5 valence electrons and 10 energy levels (orbitals)

74.
The atoms along the staircase are called 
a)
metals
b)
nonmetals
c)
metalloids
d)
noble gases
75.

What is the name of group number 2?

a)

transition metals

b)

halogens

c)

metaloids

d)

alkaline earth metals

76.

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.

77.

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.

78.
As you move down a group, atomic radius increases because - 
a)
you add more and more neutrons
b)
you add more and more protons
c)
you add more and more shells (energy levels)
d)
you add more atomic mass
79.
Francium (Fr) has the lowest ionization energy in Group 1 because - 
a)
it has the smallest number of valence electrons
b)
it has the greatest atomic mass
c)
it has the greatest number of protons, so it attracts its electrons the strongest
d)
its 1 valence electron is very far from the nucleus, so little energy is needed to remove it
80.
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.

Similar Resources on Wayground

Periodic table groups

75 questions

Periodic table groups

quiz

Worksheet

•

10th - 12th Grade

Subatomic Particles Practice MR

76 questions

Subatomic Particles Practice MR

quiz

Worksheet

•

9th - 12th Grade

OCR AS Chemistry Part 1

78 questions

OCR AS Chemistry Part 1

quiz

Worksheet

•

12th Grade

Chemistry Basics Review

80 questions

Chemistry Basics Review

quiz

Worksheet

•

9th - 12th Grade

Covalent Bonding/ Solutions Review

75 questions

Covalent Bonding/ Solutions Review

quiz

Worksheet

•

9th - 12th Grade

semester 2 final review

80 questions

semester 2 final review

quiz

Worksheet

•

11th Grade - University

Chem exam review

75 questions

Chem exam review

quiz

Worksheet

•

11th Grade

Chemistry FINAL EXAM

75 questions

Chemistry FINAL EXAM

quiz

Worksheet

•

9th - 12th Grade