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
