The total number of protons in an atom is equal to its _____.
A)atomic weight
B)molecular weight
C)chemical weight
D)atomic number

Question

Quizplus · Accepted Answer

The atomic number of an atom is equal to the number of protons it has, regardless of its molecular or chemical weight. Atomic weight is the weight of an atom, which includes both protons and neutrons. Molecular weight is the sum of the atomic weights of all the atoms in a molecule. Chemical weight is not a commonly used term in chemistry.

The Total Number of Protons in an Atom Is Equal