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Atomic structure - I

Total questions: 20

Worksheet time: 11mins

Name
Class
Date
1.

What is the number of protons?

a)

39

b)

1

c)

19

d)

20

2.

Recall the net charge of the atom

a)

16

b)

8

c)

-2

d)

24

3.

The mass number of the atom is...

a)

56

b)

26

c)

+3

d)

30

4.

What is the net charge of the atom

a)

+4

b)

-4

c)

0

d)

+1

5.

Calculate the mass number

a)

2

b)

3

c)

4

d)

7

6.

Recall the net charge

a)

+4

b)

+1

c)

0

d)

-1

7.

Recall the atomic number in the following atom:

a)

8

b)

16

c)

0

d)

24

8.

The net charge is...

a)

+2

b)

0

c)

+4

d)

-2

9.

The net charge is...

a)

+1

b)

0

c)

+2

d)

-1

10.

The neutron number is...

a)

32

b)

16

c)

48

d)

0

11.

The number of electrons is...

a)

32

b)

15

c)

16

d)

17

12.

Select the correct option

a)
b)
c)
d)
13.

Calculate the net charge:

a)

+6

b)

-6

c)

+2

d)

-2

14.

The atomic number of the following atom is...

a)

45

b)

51

c)

48

d)

3

15.

Calculate the net charge

a)

+1

b)

0

c)

-1

16.

The neutron number is...

a)

7

b)

3

c)

10

d)

4

17.

Calculate the neutron number.

a)

9

b)

11

c)

15

d)

26

18.

The net charge of the following atom is

a)

-1

b)

0

c)

+1

d)

+2

19.

Identify "Z"

a)

56

b)

26

c)

3

d)

30

20.

Identify "A"

a)

16

b)

8

c)

-2

d)

14