Free Printable Proton number, nucleon number and isotopes

1.

total number of protons and neutrons found in the nucleus of the atom

a)

Proton (p)

b)

Neutron (n)

c)

Electron (e)

d)

Nucleon(N)

2.

3 subatomic particles

a)

Proton (p)

b)

Neutron (n)

c)

Electron (e)

d)

Nucleon(N)

3.

Isotopes are (a) atoms of the same element that have the same

number of (b) in their nucleus but different number of (c)

Choose from the below words

two or more

protons

neutrons

electron

an

all

4.

Number of proton : (a)

Number of neutron : (b)

Number of electron : (c)

Choose from the below words

92

143

235

5.

Number of proton : (a)

Number of neutron : (b)

Number of electron : (c)

Choose from the below words

8

10

16

24

6.

Number of proton : (a)

Number of neutron : (b)

Number of electron : (c)

Choose from the below words

11

12

10

23

34

7.

Number of proton : (a)

Number of neutron : (b)

Number of electron : (c)

Choose from the below words

13

14

10

27

16

8.

A : (a)

Z : (b)

X : (c)

Choose from the below words

Nucleon Number

Proton number

Element Symbol

Compound

Ion

9.

Number of proton : (a)

Number of neutron : (b)

Number of electron : (c)

Choose from the below words

12

14

10

26

16

10.

Atom that loose electron will become (a) ion

Choose from the below words

positive

negative

neutral

Proton number, nucleon number and isotopes

Total questions: 10

Worksheet time: 13mins

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