(a)Name two physical properties each of sodium and carbon in which their behaviour is not as expected from their classification as metal and non-metal respectively.
(b)Name two metals whose melting points are so low that they melt when held in the hand.

(a) Sodium is a soft metal and has a low melting point.
Graphite, an Allotrope of carbon(although being a nonmetal), is a good conductor of electricity and has a high melting point.

(b) Gallium and cesium are having a low melting point and melts in hand when held.
 

Updated on: 10-Oct-2022

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