General Knowledge - Chemistry - Discussion

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

Tin said:   1 decade ago
The mass no. Of an atom is the no. Of neutrons and protons which are together known as nucleons.

The mass no. is the sum of the no. Of neutrons + protons.
(1)

Kamal Shah said:   1 decade ago
Mass number is total number of protons and neutrons collectively known as nucleons.

Raj said:   1 decade ago
Why? I do not understand.
(1)


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