Question

Which sample of matter has particles arranged in a crystalline structure A)Ne(g) B)Br2(l) C)NaCl(aq) D)CuSO4(s)

Answer 1

cuso4 is an ionic compound
nacl is crystalline but nacl(aq) is not

Answer 2

Answer: Option (D) is the correct answer.

Explanation:

A structure that consists of orderly arrangement of atoms in a lattice is known as a crystalline structure.

In solids, atoms are held closer to each other so they are expected to have crystalline structure. Whereas in aqueous solution molecules move randomly and therefore, they are not arranged in a order. So, liquids do not show crystalline lattice.

Similarly, molecules of gases move rapidly and therefore, they collide and hence they are not arranged in a order.

Thus, we can conclude that out of the given options $CuSO_{4}(s)$ sample of matter has particles arranged in a crystalline structure.