Question

If z=17 , what would be the valency of the element ?

Is it metal or non mental .

Give reason in support of your answer​

Answer 1

Answer:

the element is chlorine.

its valency is 1

as it has 7 electrons it cannot give all 7 to form octet state so it accepts 1 electron to form non metal

Answer 2

Answer:

element z is chlorine

it is a non metal because it consist of 7 valence electron in it's last shell and would gain one to become a non metal

non metal take up electron while metal gives away electron

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