What is the term for the number of protons in the nucleus of each atom of an element? It also indicates the number of electrons in the atom.
A) Isotope number
B) Mass number
C) Mass-to-charge ratio
D) Atomic number
E) Atomic mass units

Question

Quizplus · Accepted Answer

The term for the number of protons in the nucleus of each atom of an element is called the atomic number. It also indicates the number of electrons in the atom. Isotope number refers to the number of neutrons in the nucleus of an atom of a particular element. Mass number is the total number of protons and neutrons in the nucleus of an atom. Mass-to-charge ratio is the ratio of the mass of an ion to its charge, commonly used in mass spectrometry. Atomic mass units are a standard unit used for expressing the masses of atomic particles, where one atomic mass unit is defined as one twelfth of the mass of a carbon-12 atom.

What Is the Term for the Number of Protons in the Nucleus