The Chemical Symbol Ca²⁺ Indicates That a Calcium Atom Has

Question

The chemical symbol Ca²⁺ indicates that a calcium atom has A) two protons in its nucleus. B) lost two neutrons. C) gained two protons. D) lost two electrons. E) an atomic number greater than 2.

Accepted Answer

The chemical symbol Ca²⁺ indicates that the calcium atom has lost two electrons, which is represented by the superscript of -2 on the sulfur atom (S1). Therefore, the correct answer is D, which indicates that the calcium atom has lost two electrons.

The chemical symbol Ca2+ indicates that a calcium atom has

The chemical symbol Ca²⁺ indicates that a calcium atom has