The Lewis dot symbol for the calcium ion is

Question

Quizplus · Accepted Answer

The Lewis dot symbol for an ion includes the symbol for the element followed by the number of valence electrons it has gained or lost. In the case of the calcium ion, Ca2+, it has lost two electrons, leaving it with a full outer shell of eight electrons. Therefore, the symbol is just Ca with a superscript 2+ to show the charge. Choice D, Ca²⁺, correctly represents the calcium ion with its charge. The other choices are incorrect representations of the calcium ion's Lewis dot symbol.

The Lewis Dot Symbol for the Calcium Ion Is