General Knowledge - Chemistry - Discussion

Discussion Forum : Chemistry - Section 1 (Q.No. 72)

Chemistry

72.

The mass number of an atom is equal to

the number of protons

the number of protons and electrons

the number of nucleons

the number of neutrons

Answer: Option

Explanation:

No answer description is available. Let's discuss.

Discussion:

13 comments Page 2 of 2.

Sanjita majhi said: 4 years ago

Mass number means neutron & protons.

(1)

VISHNU GOWDA said: 4 years ago

Nucleons (protons & neutrons).

(1)

Raj said: 1 decade ago

Why? I do not understand.

(1)

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