SSC MTS EXAM

SSC

CHEMISTRY

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
The ____ is the sum of the protons and the neutrons in an atom.
A
Atomic Number
B
Mass Number
C
Protons
D
Neutrons
Explanation: 

Detailed explanation-1: -The mass number of an atom is the sum of the number of protons and number of neutrons in an atom.

There is 1 question to complete.