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1st Quiz on Atomic Structure and Terms 2022 ( On- grade level)

Total questions: 20

Worksheet time: 15mins

Name
Class
Date
1.

What is the tiny, very dense central part of the atom called ?

a)
Neutron
b)
Electron
c)
Proton
d)
Nucleus
2.
What are electrons?
a)
Massive, positively charged particles
b)
Tiny, negatively charged particles
c)
Clouds of dust in the nucleus
d)
Neutral particles around the nucleus
3.

Using your periodic table identify the element

a)
Carbon
b)
Hydrogen
c)
Aluminum
d)
Lithium
4.
How many electrons does potassium K contain? 
a)
19
b)
39
c)
20
d)
40
5.
What identifies the element?
a)
Protons
b)
Neutrons
c)
valence electrons
d)
Nucleus
6.
How many total electrons does element 15 have?
a)
5
b)
2
c)
8
d)
15
7.

Which are of the following are subatomic particles. Select three:

a)

Protons

b)

Neutrons

c)

Electrons

d)

Nucleus

8.

The atomic number will tell me... (select three)

a)

Number of Protons

b)

Number of Electrons

c)

Number of Neutrons

d)

What element is it

9.

Silicon has an atomic number of 14 and an atomic mass of 28. How many neutrons does it have?

a)

14

b)

28

c)

2

d)

10

10.

What is the charge of a proton?

a)

Positive

b)

Negative

c)

No charge, Neutral

11.

What is the charge of an electron?

a)

Postive

b)

Negative

c)

No Charge

12.
An atom has 10 protons and a mass of 18. It has __ neutrons
a)
10
b)
18
c)
28
d)
8
13.
The mass number of an element that has18 protons, 18 electrons, and 19 neutrons is _____.
a)
12.5
b)
13
c)
25
d)
37
14.

The nucleus of an atom contains which of the following subatomic particles: (Select two)

a)

protons

b)

Neutrons

c)

Electrons

d)

Shells

15.

Silicon has an atomic number of 14 and an atomic mass of 28. How many neutrons does it have?

a)

14

b)

28

c)

2

d)

10

16.
How many neutrons does B (Boron) contain?
a)
5
b)
11
c)
6
d)
10.811
17.

What element is represented in this Model? 

a)
Carbon
b)
Hydrogen
c)
Aluminum
d)

Beryllium

18.

In an element box, the number at top is the

a)

atomic number

b)

atomic name

c)

atomic mass

d)

atomic symbol

19.

Protons have a ____________ charge, neutrons have a ____________ charge, and electrons have a ____________ charge.

a)

positive; negative, neutral

b)

positive, neutral, negative

c)

neutral, negative, positive

d)

negative, neutral, positive

20.

What is the mass number of this element when round to the nearest whole number ?

a)

7

b)

8

c)

14

d)

14.01