Question

explain why non metal are lustre​?

Answer 1

Nonmetals have high ionization energies. They have high electro negativities. Nonmetals are insulators which means that they're poor conductors of electricity. They are dull, they do not have lustre like metals.

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Answer 2

Nonmetals have high ionization energies. They have high electronegativities. Nonmetals are insulators which means that they're poor conductors of electricity. They are dull, they do not have lustre like metals