Which statement about and atom is true?

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Which statement about and atom is true?

E

Editor

Sep 18, 2022

Which statement about and atom is true?

Difficulty: Hard

A:

The number of neutrons is not equal to the number of electrons

B:

Mass number is less than the atomic number.

C:

All the elements have only one mass number.

D:

Mass number can be equal to the atomic number.

ID: 63273dbcca83163ac3a16003