Which of the following gives the correct lewis dot representation of the calcium ion in the ionic compound calcium chloride?
a. [ ca: ]
b. [ ca ]2+
c. no right choice.

The correct answer to your question is letter A

Explanation:

a. [ Ca: ]  This structure is correct because Calcium has 2 valence electrons and in this structure we can see them as points to the right side of the symbol.

b. [ Ca ]2+  This option is not correct, in Lewis dot representation, electrons are points and this structure do not show them.

c. No right choice. This option is wrong because letter A is correct.

for points guys