Select a non-metal that is very reactive and so stored in water.
P
N
Cl
O
Phosphorus is non-metal that is very reactive. It catches fire when exposed to air, therefore stored in water.
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.