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14-01-2020
Chemistry

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In a crystal of sodium chloride, how many oppositely-charged ions does each Na and Cl ion have clustered around it?
a. 1
b. 2
c. 4
d. 6

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15-01-2020

Answer:

d. 6

Explanation:

Sodium chloride crystals have a face-centered cubic structure. This means that each of the atoms in the crystal is surrounded by other 6 atoms.

In the particular case of sodium chloride, the sodium cations are always surrounded by the oppositely-charged anions of chloride.

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