How many compounds can atoms of two different elements make?

Question

Can they form more than one compound together?

Answer 1

If one of the compounds is carbon, the number of compounds can be enormous and almost unlimited.

Answer 2

Just Hydrogen and Oxgen can from OH (hydroxide), H2O (water), H3O (hydronium). the answers is A WHOLE LOT

Answer 3

It depends on which elements.  Hydrogen and oxygen can form 2.  sodium and chlorine can form only one.  Carbon and hydrogen can form an almost limitless number.