Question

A chemist is trying to classify an unknown substance as either a metal or nonmetal. What question should the chemist use to help classify the material?
a.Is the material a good conductor or a poor conductor?
b.Does the material feel rough or smooth?
c.Does the material feel hard to the touch?
d.Will the material float in water?

Answer 1

Answer:

A

Explanation:

A: Metals are ofthen the best conductors.

B: Metals and non-metals can be smooth or rough

C: Metals and non-metals can be hard to the touch

D: Metals and non-metals can float in water