Give an example of a metal which:
(a) Is a liquid at room temperature? (b) Can be easily cut with a knife? (c) Is the best conductor of heat? (d) Is a poor conductor of heat?
Name the following : [3 MARKS] (a) A lustrous liquid metal. (b) A liquid non-metal (c) A metal which can be cut with a knife (d) A non-metal which is good conductor of electricity. (e) An element which melts when kept on the palm. (f) Good conductor of heat.