determine-the-number-of-electrons-calcium-needed-to-either-gain-or-lose-in-order

Question

Determine the number of electrons calcium needs to gain or lose to achieve the noble gas configuration and identify which noble gas it represents.

Accepted Answer

Lose 2 electrons; Ar

Answer

Lose 2 electrons; Ne

Answer

Gain 8 electrons; Ar

Answer

Gain 4 electrons; Kr