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.


(a) Phosphorus is a very reactive non-metal.

(b) Metals are good conductors of heat and electricity.


(c) Iron is more reactive than copper.


(d) Metals react to acids to produce hydrogen gas.


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