URGENT PLEASE HELP NOW!! When do most ionic bonds form, based on this Periodic Table?

when elements from B bond with themselves

when elements from A bond with elements from B

when elements from C bond with elements from D

when elements from A bond with themselves

Calculate the mass percent of hydrogen in methyl acetate

Miner's coal distributors does not mine coal itself, nor does it even store or handle the coal. instead, miner's solicits orders for low sulfur coal from other firms, then purchases the required amount from suppliers and directs them to ship the coal to its customers. what is miner's

The atoms of a solid aluminum can are close together, vibrating in a rigid structure. if the can is warmed up on a hot plate, what happens to the atoms?