The atomic number is equal to the number of _______ in the nucleus of each atom of an element.
A) neutrons
B) protons
C) electrons
D) alpha particles
E) gamma rays

Question

Quizplus · Accepted Answer

The atomic number, usually denoted by the letter Z, represents the number of protons in the nucleus of an atom of an element. Each element has a unique atomic number that distinguishes it from all other elements. The number of neutrons and electrons in an atom may vary, but the atomic number remains constant.

The Atomic Number Is Equal to the Number of _______