I. In solids and liquids, the interatomic forces are important. II. In solids and liquids, the a...

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I. In solids and liquids, the interatomic forces are important.
II. In solids and liquids, the atoms attract when they are at a few angstroms but repel when they come closer.
Which of the following statements are correct?
(a) Only I
(b) Only II
(c) Both I and II
(d) Neither I nor II
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