Question

Melinda's science techer gave her an unknown substance to identify based on its properties. After a few tests, Melinda listed her observations in a chart.

Chart Reflects light very well Warms up my hand Flattens out when hit with a hammer Conducts electricity. What kind of substance does Melinda have? A. nonmetal B. metal C. metalloid Is the answer b?

Answer 1

The answer would be B. They are malleable, shiny and good conductors of heat and electricity. 

Answer 2

The answer is: B. metal.

Metals conduct an electric current in liquid and solid state, because they have mobile electrons.

Metallic bond is formed between electrons and positively charged metal ions.

Metallic bond increace electrical and thermal conductivity.

For example, thermal conductivity of sodium is 140 W/(m·K).

Nonmetals have low electrical and thermal conductivity.