The number of which subatomic particle designates the atomic number of an element? select one:

Question

Sophie Davila

Chemistry

22 March, 00:50

The number of which subatomic particle designates the atomic number of an element? select one:

+1

Answers (2)

Know the Answer?

Ashtyn · Answer 1

The atomic number is determined by the number of protons in the atom.

Neutrons can vary the mass of atoms of the same element; atoms of the same element with the different atomic masses are called isotopes.

Electrons do not contribute a meaningful amount of mass to an atom, and only vary the charge of the atom. A charge atom is an ion.

Grady Archer · Answer 2

The number of protons always equals the atomic number of an element.