Question

Which term describes the sum of the number of protons and neutrons in an
atom?
A nuclear charge
B mass number
C atomic charge
D atomic number

Answer 1

Answer:

Option B. mass number

Explanation:

The mass number of an element is simply the sum of protons and neutrons of the element. Mathematically, it is written as:

Mass number = Proton + Neutron

Answer 2

: Mass Number

~Sarah Robinsen