Atomic mass equals the number of what?

Answer 1

The Atomic Mass NUMBER equals the number of protons and neutrons in an atom.

DO NOT confuse this with the mass of an atom.

Answer 2

The atom's mass number is the amount of protons and neutrons in the atom's nucleus.

Answer 3

A(mass #) = Z(Atomic #) + N(# of neutrons)

Answer 4

Mass number = number of protons + number of neutrons.

Answer 5

Atomic number = number of protons = number of electrons = number in the Periodic Table Atomic mass is the mass of an isotope or an element.

Answer 6

Atomic number = Number of protons = Number of electrons

Answer 7

protons and electrons it has

Answer 8

Grams per mol of an element