s1ienracandilein s1ienracandilein 23-12-2015 Chemistry Answered 33 A sample of a substance has these characteristics:• melting point or 9811 K• hard. brittle solid at room temperature• poor conductor of heat and electricity as a solid• good conductor of electricity as a liquid or in an aqueous solutionThis sample is classified as(1) a metallic element(2) a radioactive element(3) a molecular compound(4) an ionic compound
