Acalcium atom can have its highest energy level be filled by forming an ionic bond with a single iodine atom. true or false?

For the answer to the question above.

It is False, because Calcium is a 2+ cation, while Iodine has only a 1- anion. You need two Iodines to fill calcium's outermost shell.

I hope my answer helped you in some ways.

answer; i believe the answer is hydraulic action;