Ionic compound

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water is an ionic compound
water is an ionic compound

In chemistry, an ionic compound is a compound made of ions. The ions join together because they have different charges. They are made when two or more atoms come close together and an electron goes from one atom to the other atom. The electron does this because both atoms want a full outer shell.

Water (H2O) is an ionic compound. The hydrogen ions have a positive charge (H+) and the oxygen ions have a negative charge (O2-).