Question

1.what is a crystal?​

Answer 1

Answer:-

A crystal or crystalline solid is a solid material whose constituents (such as atoms, molecules, or ions) are arranged in a highly ordered microscopic structure, forming a crystal lattice that extends in all direction.

$hope\: it \:help$

Answer 2

Answer:

Crystal: A crystal or crystalline solid is a solid material whose constituents are arranged in a highly ordered microscopic structure, forming a crystal lattice that extends in all directions....

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