The element oxygen has an atomic number of 8,which means it contains:
A) 4 protons and 4 neutrons.
B) 8 protons.
C) 8 neutrons.
D) 4 protons and 4 electrons.

Question

Quizplus · Accepted Answer

Atomic number represents the number of protons in the nucleus of an atom. Therefore, since the atomic number of oxygen is 8, it has 8 protons. The number of neutrons and electrons in oxygen can vary depending on its isotopes and ionization state.

The Element Oxygen Has an Atomic Number of 8,which Means