Alkaline earth metals form a +2 ion charge. Halogens form a -1 ion charge. Which formula shows the correct ratio of an alkaline earth metal (X) bonding with a halogen (Y)?

Which statements describe polyatomic ions? check all that apply. polyatomic ions have many charges. polyatomic ions have one overall charge. polyatomic ions repel other ions to form ionic bonds. polyatomic ions attract other ions to form ionic bonds. polyatomic ions are made up of only one type of atom. polyatomic ions are made up of two or more types of atoms.

What semimetal can form four single covalent bonds.

How have the greenhouse gasses increased from the year 2000 to 2018