Respuesta :

Answer:

HF -molecular compound

C₂H₄ -molecular compound

H₂0₂ -molecular compound

CuSO₄.2H₂O  

Explanation:

none are ionic as an ionic bond is a reaction between metals and non metals

not molecular elements , examples of molecular elements are; F₂, 0₂, H₂, I₂, N₂ e.t.c

I'm not that sure about the copper sulfate hydrate formula