(03.02 LC)
Which of the following is a correct formula unit of an ionic compound?
AL2F3
Ca2O
Ca(OH)2
KCI2

1) how many electrons are in each energy level of the following elements? a. he b. na c. na d. ne 2) how many valence electrons are percent in the following atoms? a. s b. mg c. be d. cl 3) which of the following elements are stable as atoms? a. he b. o c. cl d. ar if you are able to provide the work as to how you got the answers that would be greatly appreciated. : )

Describe the interaction that occurs between two objects with the same electrical charge.

Draw the skeletal structures of two different molecules that are each made of 5 carbon atoms and 12 hydrogen atoms.