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Worksheets

Chem Test Coach Reid

Total questions: 96

Worksheet time: 2hrs 42mins

Name
Class
Date
1.

Which subatomic particle has a positive charge?

a)

proton

b)

nuetron

c)

electron

d)

atom

2.

Which subatomic particle has a negative charge?

a)

proton

b)

neutron

c)

electron

d)

atom

3.

Which subatomic particle has a neutral (0) charge?

a)

proton

b)

nuetron

c)

electron

d)

atom

4.

Why is the overall charge of an atom neutral (0)?

a)

They have the same number of protons and neutrons.

b)

They have the same number of protons and electrons.

c)

They have the same number of electrons and neutrons.

5.

Which TWO of the following subatomic particles are inside the nucleus?

a)

protons

b)

electrons

c)

neutrons

d)

There are no subatomic particles in the nucleus of an atom.

6.

The number of which subatomic particle determines the element of an atom (if it's carbon, oxygen, nitrogen, etc.)?

a)

proton

b)

neutron

c)

electron

d)

Subatomic particles do no determine the element of an atom.

7.

Use a periodic table to help you determine the element in the image. (Hint: Use the # of protons.)

a)

carbon

b)

lithium

c)

beryllium

d)

nitrogen

8.

Use a periodic table to help you determine the element in the image. (Hint: Use the # of protons.)

a)

boron

b)

beryllium

c)

neon

d)

lithium

9.

How many protons does fluorine have?

a)

19

b)

1

c)

9

d)

10

10.

How many neutrons does nitrogen have?

a)

7

b)

14

c)

0

d)

6

11.

What is the atomic number?

a)

the number of protons in the nucleus

b)

the number of protons and neutrons in the nucleus

c)

the number of neutrons in the nucleus

d)

the number of protons in the energy levels

12.

What is the mass number?

a)

the number of protons in the nucleus

b)

the number of protons and neutrons in the nucleus

c)

the number of neutrons in the nucleus

d)

the number of protons and electrons in the atom

13.

What is the atomic number of this atom?

a)

1

b)

3

c)

4

d)

7

14.

What is the mass number of this atom?

a)

1

b)

3

c)

4

d)

7

15.
Most of the mass in an atom is made up of _____________________?
a)
protons and electrons
b)
protons and neutrons
c)
neutrons and electrons
d)
electrons and quarks
16.
In order for an atom to be neutral what has to be true?
a)
The atom has more protons than neutrons
b)
The atom has more neutrons than protons
c)
The atom has the same number of protons and neutrons
d)
The atom has the same number of protons and electrons
17.
What does the C represent?
a)
atomic mass
b)
atomic number
c)
element name
d)
chemical symbol 
18.

What does the 6 represent?

a)

Atomic mass

b)

atomic number

c)

chemical symbol

d)

element name

19.
How is the number of neutrons in the nucleus of an atom calculated?
a)
Add the number of e- and p+ together
b)
Subtract the number of e- from p+
c)
Subtract the number of p+ from the mass number
d)
Add the mass number to the number of e-
20.
What subatomic particles would you find in the nucleus of an atom?
a)
Protons only
b)
Protons and Neutrons
c)
Neutrons and Electrons
d)
Protons and Electrons 
21.
Which subatomic particles contribute the most to the mass of an atom?
a)
Protons, Neutrons, Electrons
b)
Protons only
c)
Protons and Electrons
d)
Protons and Neutrons
22.
If an atom has 12 positively charged subatomic particles, which of the following must it also have to be considered a neutral atom?
a)
12 neutrons
b)
12 electrons
c)
12 protons
d)
24 protons and neutrons
23.

An atom has 10 protons, 15 neutrons and 10 electrons what is its mass number.

a)

20

b)

10

c)

35

d)

25

24.

How many electrons does this atom have?

a)

2

b)

4

c)

6

d)

10

25.
An element with a mass number of 11 and an atomic number of 5 has how many neutrons?
a)
11
b)
5
c)
6
d)
16
26.
Where is most of the mass in an atom located?
a)
in the nucleus
b)
in the protons
c)
in the neutrons
d)
in the electrons
27.
An atom has an atomic number of 15 and a mass number of 31. How many protons are there in the atom?
a)
15
b)
31
c)
16
d)
47
28.

Which of the following determines the identity of an element?

a)

number of protons

b)

atomic mass

c)

number of neutrons

d)

number of shells

29.
a)
Periods
b)
Groups
30.
a)
Periods
b)
Groups
31.
a)
energy levels
b)
valence electrons
c)
protons
d)
neutrons
32.
a)
energy levels
b)
valence electrons
c)
protons
d)
neutrons
33.
a)
Group 1
b)
Group 17
c)
Group 2
d)
Group 18
34.
a)
Group 1
b)
Group 17
c)
Group 18
d)
Group 2
35.
a)
Group 1
b)
Group 17
c)
Group 18
d)
Group 2
36.

The order of elements in the periodic table is based on

a)

the number of protons in the nucleus.

b)

the electric charge of the nucleus.

c)

the number of neutrons in the nucleus.

d)

atomic mass.

37.

Which of the following elements is an alkali metal?

a)

calcium

b)

magnesium

c)

mercury

d)

sodium

38.

Mendeleev left gaps in his periodic table because

a)

the table was too small.

b)

protons belonged there.

c)

the table was too full.

d)

no known elements fit there.

39.

The three main groups of elements are metals, nonmetals, and

a)

inert gases.

b)

alkali metals.

c)

radioactive isotopes.

d)

semiconductors/metalloids.

40.

The order of elements in the modern periodic table is based on an element's

a)

atomic number.

b)

name.

c)

chemical symbol.

d)

atomic mass.

41.

Which statement about the alkali metals is correct?

a)

They are located in the left-most column of the periodic table.

b)

They are extremely nonreactive.

c)

They are usually gases.

d)

They form negative ions with a 1- charge.

42.

Which group is very stable due to the fact that they have a full outermost energy level?

a)

alkali metals

b)

halogens

c)

alkaline-earth metals

d)

noble gases

43.

Which of the following is a property of group 18 elements?

a)

malleable

b)

brittleness

c)

high electrical conductivity

d)

unlikely to react with other elements

44.

Based on its location on the periodic table, which of these elements most likely has physical and chemical properties most similar to boron (B)?

a)

magnesium (Mg)

b)

aluminum (Al)

c)

neon (Ne)

d)

chlorine (Cl)

45.

Alkali metals are extremely reactive because they

a)

have every small atomic masses.

b)

are not solid at room temperature.

c)

have one valence electron that is easily removed to form a positive ion.

d)

have two valence electrons that form compounds with calcium and magnesium.

46.
Who discovered the electron?
a)
Niels Bohr
b)
Democritus
c)
Joseph Thomson
d)
John Dalton
47.
Matter always has mass.
a)
true
b)
false
48.
What is the lowest point on a wave?
a)
amplitude
b)
peak
c)
trough
d)
wavelength
49.
The maximum distance from the center line to the top of the crest or the bottom of the trough is called the __________ of the wave.
a)
amplitude of the wave
b)
wavelength of the wave
c)
frequency of the wave
d)
speed of the wave
50.
High frequency waves have _________ wavelengths.
a)
varying
b)
long
c)
the same
d)
short
51.
Which wave has a greater frequency?
a)
A
b)
B
52.
Which wave in the diagram has the greatest wavelength?
a)
1
b)
2
c)
3
d)
4
53.
Which wave has a longer wavelength?
a)
wave C
b)
wave D
54.
The unit of frequency is ___.
a)
meters
b)
nanometers (nm)
c)
m/s
d)
Hertz
55.
The unit of frequency is ___.
a)
meters
b)
nanometers (nm)
c)
m/s
d)
Hertz
56.
All waves carry
a)
energy
b)
light 
c)
matter
d)
particles
57.
When a wave bends as it passes through at an angle from one medium to another.(example: pencil in a glass of water-)
a)
medium
b)
refraction
c)
reflection
d)
interference
58.
When a wave strikes and object and bounces off. (example echo)
a)
medium
b)
refraction
c)
reflection
d)
interference
59.
Which vocabulary term is used to identify the distance between points C & G?
a)
Amplitude
b)
Crest
c)
Frequency
d)
Wavelength
60.
Which letter(s) represent the crest of the wave?
a)
A
b)
B & D
c)
B & F
d)
F
61.

What element is represented in this Bohr Model?

a)

Carbon

b)

Hydrogen

c)

Aluminum

d)

Lithium

62.
What is the name of this element?
a)
Beryllium
b)
Boron
c)
Barium
d)
Bromine
63.
What is the mass number of this atom?
a)
1
b)
3
c)
4
d)
7
64.
What group does this element belong to?
a)
Group 1: Alkali metals
b)
Group 18: Noble Gases
c)
Group 2: Alkaline-Earth Metals
d)
Group 17: Halogens
65.
How many valence electrons?
a)
2
b)
3
c)
5
d)
10
66.
What's a valence electron?
a)
electrons in the second energy level
b)
electrons in the outermost energy level
c)
the atomic number
d)
electrons in the first level
67.

This is the location of electrons in an atom.

a)

nucleus

b)

protons

c)

orbitals

d)

neutrons

68.

If an atom of Phosphorus has 16 neutrons, what is it's mass number?

a)

15

b)

16

c)

30.974

d)

31

69.

Protons + Neutrons =

a)

the average atomic mass

b)

mass number

c)

number of electrons

d)

APE MAN

70.
Which of the following will have a larger radius than Zinc?
a)
Gallium
b)
Aluminum
c)
Magnesium
d)
Strontium
71.
Which of the following will have a higher electronegativity than arsenic (As)?
a)
Carbon (C)
b)
Neon (Ne)
c)
Antimony (Sb)
d)
Germanium (Ge)
72.

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

73.
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. 
74.
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
75.
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 
76.
Which atom has the largest atomic radius?
a)
potassium
b)
rubidium 
c)
francium
d)
cesium
77.

As you move from left to right on the periodic table, the number of valence electrons.......

a)

Increases

b)

Decreases

c)

Remains the same

78.

The common charge on an atom in group 17 would be....

a)

+1

b)

+7

c)

-7

d)

-1

e)

17

79.
Sodium (Na) is found in group 
a)
1
b)
2
c)
3
d)
4
80.
What does 12.011 represent?
a)
atomic mass
b)
atomic number
c)
element name
d)
chemical symbol 
81.
What is the symbol for Carbon?
a)
C
b)
Ca
c)
Cl
d)
H
82.
Which one of these is not a noble gas?
a)
Helium
b)
Radon
c)
Iodine
d)
Krypton
83.
What is the atomic number of Oxygen?
a)
6
b)
7
c)
8
d)
9
84.
What family is silver a part of?
a)
Transition Metals
b)
Noble Gases
c)
Alkali Metals
d)
Alkaline Earth Metals
85.
Silicon is a 
a)
Metal
b)
Nonmetal
c)
Metalloid
d)
Halogen
86.

What are the horizontal rows on the periodic table called?

a)

periods

b)

groups

c)

metals

d)

nonmetals

e)

metalloids

87.

Who proposed a model with electrons moving in specific layers?

a)

Rutherford

b)

Bohr

c)

Thomson

d)

Dalton

88.

Who discovered the electrons?

a)

Rutherford

b)

Bohr

c)

Thomson

d)

Dalton

89.

Who discovered the nucleus?

a)

Rutherford

b)

Bohr

c)

Thomson

d)

Dalton

90.
Elements in the same ________ are more chemically similar.
a)
group
b)
period
c)
club
d)
table
91.
Name group 2 on the periodic table.
a)
alkali metals
b)
alkaline earth metals
c)
noble gases
d)
transition metals
92.
Name group 1 on the periodic table.
a)
alkali metals
b)
alkaline earth metals
c)
noble gases
noble gases
d)
halogens
93.
Name groups 3 - 12 on the periodic table.
a)
noble gases
b)
halogens
c)
metalloids
d)
transition metals
94.

As you look down a group, ionization energy and electronegativity

a)

increases

b)

decreases

95.

As you look from left to right across a period, ionization energy and electronegativity both

a)

increase

b)

decrease

96.

Which element has the greater ionization energy?

a)

Magnesium (Mg)

b)

Phosphorus (P)

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