The number of protons in an atom is called the
A)atomic mass.
B)atomic number.
C)atomic weight.
D)mass number.

Question

Quizplus · Accepted Answer

The number of protons in an atom is called the atomic number. It is a fundamental property of an element and determines the chemical properties of that element. The atomic mass is the sum of protons and neutrons in the nucleus, while atomic weight is the average mass of all isotopes of an element. Mass number is the sum of protons and neutrons present in the nucleus of an atom.

The Number of Protons in an Atom Is Called the