For each of the following, label as a metal, nonmetal, metalloid. a. poor conductor of electricity b. usually a solid at room temp c. ductile d. e. semiconductor f. g. malleable h. usually a gas at room temp i. cobalt j. good conductor of heat k. brittle l. oxygen

Answer :

a) Non metal

b) Metal

c) Metal

d) Non metal

e) Metalloid

f) Metalloid

g) Metal

h) Non metal

i) Metal

j) Metal

k) Non metal

l) Non metal

Explanation :

Properties of Metals :

Metals are solid at room temperature.Metals are ductile, malleable and hard.Metal are good conductor of heat and electricity.Metals have high boiling and melting point.

Properties of Non Metals :

Non metals exists in solid and gaseous state at room temperature.Non metals are very brittle.Non metals are poor conductor of heat and electricity.Non metals have low boiling and melting point than the metals.

Properties of Metalloids :

Metalloids properties lies between the metals and non metals.They form semiconductors like silicon, germanium.

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