two alkanes have 4 and 6 carbon atoms respectively in their molecule . in which physical will they occcur in room temperature
Alkane with 4 carbon atoms is in gaseous state while alkane with 6 carbon atoms is volatile liquid in nature.
(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.