Question

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.
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Answer 1

Answer:

1st porous 2nd good ,electricity 3rd attracts

Answer 2

1. reactive
2. good, electricity
3. more
4. hydrogen