Question

are hydrogen bonds formed between all molecules?
no because hydrogen can only form these bonds with oxygen atoms.
no because hydrogen can only form these bonds with highly electronegative atoms.
yes because hydrogen can easily form bonds with atoms that have a neutral charge.
yes because hydrogen can form these bonds with weakly electronegative atoms.

Explanation:

Hydrogen bonds form between a hydrogen atom covalently bonded to a highly electronegative atom (such as N, O, or F) and another highly electronegative atom. Not all molecules have these conditions, so hydrogen bonds are not formed between all molecules.

Answer:

No because hydrogen can only form these bonds with highly electronegative atoms.