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Practice Chemistry Test - You can take this as often as you want

Total questions: 43

Worksheet time: 28mins

Name
Class
Date
1.
What is the mass number defined as?
a)
the number of protons
b)
the number of protons and neutrons
c)
the number of neutrons
d)
the number of protons and electrons
2.

What is the atomic mass of this atom?

a)

1

b)

3

c)

4

d)

7

3.

What is the atomic number?

a)

the number of protons

b)

the number of protons and neutrons combined

c)

the number of neutrons

d)

the number of protons and electrons combined

4.
What is the atomic number of Nickel? (enlarge the periodic table)
a)
110
b)
28
c)
46
d)
78
5.
How many protons are in a sodium atom? (tap to enlarge the periodic table)
a)
Sodium has 1 proton.
b)
Sodium has 3 protons.
c)
Sodium has 11 protons
6.
An element has the mass number 12 and atomic number  6. The number of neutrons in it is:
a)
6
b)
10
c)
4
d)
8
7.
If an atom has 10 electrons, how many protons does it have?
a)
0
b)
1
c)
10
d)
5
8.
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 
9.
Which particles are NOT included in the mass number?
a)
Protons
b)
Protons and Neutrons
c)
Electrons
d)
Neutrons
10.
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
11.
A neutron has a charge of
a)
+2
b)
No charge
c)
-1
d)
+1
12.
An element's identity is determined by the number of
a)
electrons.
b)
protons.
c)
neutrons.
d)
valence.
13.
When an atom loses a valence electron, it becomes a(n) _____________ ion.
a)
positive
b)
negative
c)
neutral
d)
polyatomic
14.
How many valence electrons in this structure?
a)
6
b)
5
c)
4
d)
7
15.
The first energy level can hold up to how many electrons?
a)
8
b)
4
c)
2
d)
5
16.

Do electrons contribute to the atomic mass of an atom?

a)

YES of course, they are there for a reason

b)

NO, they are useless to the atom

c)

No, their mass is too small to contribute to the mass

d)

YES, silly, they are the superstars of the atom

17.

SIDE TO SIDE rows on the periodic table are

a)

groups

b)

periods

18.

UP and DOWN columns on the periodic table are

a)

groups

b)

periods

19.

Which elements have properties in common?

a)

elements in a group

b)

elements in a period

20.

The group number tells you the number of

a)

protons

b)

valence electrons

c)

energy levels

21.

The period number tells you the number of

a)

protons

b)

energy levels

c)

valence electrons

22.

These elements are in a:

a)

group

b)

period

23.

These elements are in a:

a)

group

b)

period

24.
What is an ion?
a)
A Charged Atom
b)
A Large Atom
c)
A Small Atom
d)
A Cute Atom
25.
An atom becomes _________ when it gains electrons.
a)
Positive
b)
Negative
c)
Neutral
d)
Invinsible
26.
If an element has 3 valence electrons, what charge will likely form on its ion ?
a)
+3
b)
+5
c)
-3
d)
-5
27.

Which of the following has would gain an electron and get a -1 Charge?

a)
Aluminum
b)
Bromine
c)
Calcium
d)
Potassium
28.
Cations are...
a)
Positive
b)
Negative
c)
Neutral
d)
Purring
29.
Anions are...
a)
Positive
b)
Negative
c)
Neutral
d)
Crying
30.
An atom becomes _______ when it loses electrons.
a)
Positive
b)
Negative
c)
Neutral
d)
Invinsible
31.
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
32.

How many valence electrons does Bromine (Br) have?

a)

5

b)

6

c)

7

d)

8

33.

According to the diagram below, how many bonds will this atom be able to make?

a)
1
b)
2
c)
3
d)
4
34.

Which of these is incorrect?

a)
b)
35.

Would these two elements be more likely to bond with a covalent bond or ionic bond?
Na and Br

a)
Ionic
b)
Covalent
36.
Predict the bond that will form between Sr and S.
a)
Ionic
b)
Covalent
37.

Select the element most likely to gain an electron

a)

Bromine

b)

Fluorine

c)

Chlorine

d)

Iodine

38.

Select the element with the largest atomic radius

a)

Potassium

b)

Scandium

c)

Gallium

d)

Arsenic

39.

Select the element most likely to lose an electron

a)

Magnesium

b)

Sulfur

c)

Barium

d)

Oxygen

40.

Select the sequence that correctly orders from smallest to largest atomic radius

a)

Sn, Y, Ru

b)

Cu, Ga, Br

c)

Al, S, Na

d)

F, N, Li

41.

Select the element below that is least reactive

a)

Hydrogen

b)

Chlorine

c)

Lithium

d)

Neon

42.

Select the element with the highest electronegativity

a)

Chlorine

b)

Silicon

c)

Argon

d)

Magnesium

43.

What element is found in Group 5 period 4?

a)

Zirconium

b)

Magnesium

c)

Strontium

d)

Vanadium

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