What kind of solid is crystalline boron (B)? A. lonic solid B. Metallic solid C. Molecular solid D. Network solid

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What kind of solid is crystalline boron (B)?

A. lonic solid
B. Metallic solid
C. Molecular solid
D. Network solid

THIS IS THE BEST ANSWER 👇

D.

Explanation:

gr. 2.3 at 25 ° C; valence +3. Boron is a non-metallic element that forms a dark brown to black amorphous powder or a very hard metallic crystalline solid, usually jet-black to silver-gray, brittle, lustrous, metallike.

it is a network solid, a lattice of many covalent bonds (similar to a diamond, except that it is black rather than transparent).