The position of an element in the periodic table,its atomic number,is equal to the:
A) number of protons in the nucleus of the atom.
B) number of the column in which the element is placed in the periodic table.
C) sum of the number of neutrons and protons in the nucleus of the atom.
D) number of neutrons in the nucleus of the atom.

Question

Quizplus · Accepted Answer

The atomic number of an element is defined as the number of protons present in the nucleus of an atom.

The Position of an Element in the Periodic Table,its Atomic