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Valence electrons

Total questions: 22

Worksheet time: 7mins

Name
Class
Date
1.
Which is an electron?
a)
A
b)
B
c)
C
2.

How many total electrons does a neutral atom of copper have?

a)

29

b)

11

c)

63.546

d)

14

3.

How many electrons go in the first shell (ring) ?

a)

6

b)

8

c)

4

d)

2

4.

This is a Bohr Diagram of Aluminum. How many valence electrons does Aluminum have?

a)

3

b)

4

c)

5

5.

According to the shell model of the atom, which of the following elements has a full outer energy level of electrons?

a)

krypton

b)

strontium

c)

iodine

d)

sodium

6.

How many valence electrons does Lithium (Li) have?

a)

8

b)

1

c)

5

d)

2

7.

How many valence electrons does Bromine (Br) have?

a)

5

b)

6

c)

7

d)

8

8.
What is a valence electron?
a)
an electron that is found in the outermost shell of an atom. 
b)
an electron found in the innermost shell of an atom.
c)
an electron found in the middle shell.
9.

Which of these is incorrect?

a)
b)
10.

Which element is this?

a)

Nickel

b)

Neon

c)

Sodium

d)

Nitrogen

11.

Name this element.

a)

Argon

b)

Chlorine

c)

Aluminum

d)

Boron

12.

Name this element.

a)

Neon

b)

Magnesium

c)

Sodium

d)

Manganese

13.

What is this element?

a)

Beryllium (atomic #4)

b)

Boron (atomic #5)

c)

Carbon (atomic #6)

d)

Nitrogen (atomic #7)

14.

How many valence electrons?

a)

2

b)

3

c)

4

d)

5

15.
a)
2
b)
8
c)
3
d)
13
16.
a)
12
b)
7
c)
8
d)
14
17.

USE THE PERIODIC TABLE

How many valence electrons does sodium have?

a)

1

b)

2

c)

3

d)

4

18.

USE THE PERIODIC TABLE

How many valence electrons does Phosphorus have?

a)

31

b)

5

c)

15

d)

4

19.
How many valence electrons are in an atom of Ba?
a)
2
b)
8
c)
4
d)
1
20.
Rows on the period table are called _____ while columns are called _____.
a)
groups, families
b)
groups, periods
c)
periods, groups
d)
families, groups
21.

How many valence electrons does Lithium Have?

a)

1 Valence electron

b)

2 Valence electron

c)

3 Valence electron

d)

4 Valence electron

e)

5 Valence electron

22.

How many valence electrons are in this element?

a)

7

b)

6

c)

5

d)

2

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