Discussion :: Power Plant Engineering
- The mass number of a substance represents the sum of total number of
A.
Protons and neutrons in an atom |
B.
Protons and electrons in an atom |
C.
Neutrons and electrons in an atom |
D.
Protons and neutrons in a nucleus |
Answer : Option D
Explanation :
The mass number of a substance represents the sum of total number of Protons and neutrons in a nucleus
Be The First To Comment