What property can be used to identify a pure substance as a element

Color, odor, density, melting temprature or boiling temprature.

.Explanation:

"hydrogen bonding is the attraction of h atoms in the water molecule (slight + charge) to o atoms in a neighboring water molecule (slight - charge); it is a weak interatomic force. but it is still strong enough to the water molecules "stick" together."

i think is conclusions.i think so