Question 3 (a)Phosphorus is a very ___ non-metal.
Phosphorus is a very reactive non-metal.
Fill in the blanks:
(a) Phosphorus is a very _________ non-metal.
(b) Metals are ________ conductors of heat and _________.
(c) Iron is ________ reactive than copper.
(d) Metals react with acids to produce _________ gas.