The mass of the protons and neutrons added is the
A) atomic sum.
B) atomic number.
C) atomic weight.
D) atomic charge.
E) atomic coefficient.

Question

Quizplus · Accepted Answer

The mass of the protons and neutrons added together in an atom is referred to as the atomic weight (or atomic mass). This value reflects the total mass of the nucleus, where almost all of an atom's mass is concentrated, since protons and neutrons are much heavier than electrons.

The Mass of the Protons and Neutrons Added Is the