Which property is typical of a covalent compound? A.
They are extremely hard solids.
B.
They have low melting and boiling points.
C.
They conduct electricity.
D.
They have rigid crystal structures.
E.
They exist only as gases and liquids.

low m.p and b.p

Explanation:

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The property that covalent compound is they have low melting and boiling points

plasma is the state of matter where the substance is ionized and has no definite shape or volume. the fact of being ionized makes the substance a good electrical conductor.

water and alcohols have similar properties because water molecules contain hydroxyl groups that can form hydrogen bonds with other water molecules and with alcohol molecules, and likewise alcohol molecules can form hydrogen bonds with other alcohol molecules as well as with water.