What is the ionic bond formation of calcium and sulfur?

1 Answer
Ernest Z.
Feb 2, 2014

In the ionic bond formation between calcium and sulfur, a calcium atom donates two valence electrons to a sulfur atom to form a #"Ca"^"2+"# ion and an #"S"^"2+"#⁻ ion.

Explanation:

A Ca atom has two valence electrons. It can achieve a noble gas configuration by losing these two electrons.

Ca
(From Quora)

A sulfur atom has six valence electrons. It can achieve a noble gas configuration by gaining two electrons.

S

If Ca gives two electrons to S, both ions have a noble gas configuration.

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