Draw three water molecules and the hydrogen bonding that may occur between the molecules. Define hydrogen bonding and explain how and why it occurs.
What will be an ideal response?
The hydrogen bonding is shown as dotted lines between the water molecules. Hydrogen bonding is the weak attraction between a covalently bonded hydrogen atom and an electronegative atom taking part in another covalent bond. It occurs between a partially positive hydrogen in one water molecule and a partially negative oxygen in another water molecule. The hydrogen has a partially positive charge and the oxygen has a partially negative charge because of the unequal sharing of electrons.
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