Calcium oxide (CaO) forms when an atom of calcium loses two electrons, giving it a +2 charge and an atom of oxygen picks up two electrons, giving it a -2 charge. What is calcium oxide?

A) An Element
B) A covalently bonded compound
C) An ionically bonded compound

Question

Calcium oxide (CaO) forms when an atom of calcium loses two electrons, giving it a +2 charge and an atom of oxygen picks up two electrons, giving it a -2 charge. What is calcium oxide?

A) An Element
B) A covalently bonded compound
C) An ionically bonded compound

anonymous · Answer

Answer is C. Ca is a metal and O is a nonmetal, and ionic compounds are formed when metals and nonmetals are bounded together.

anonymous · Answer

Thank you so much Rahaf, that was correct. :) I'll fan you and give you best response ^_^.

anonymous · Answer

Glad i helped :)