Q4 state the common feature of the electronic configuration of elements at the end of period 2 and .
Q. 5.If an element is in Group 7 [or Group 7 A] is it likely to be metallic or non-metallic character.

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Solution

Electrons are added to 3rd or M shell.
Group 17 or 7A is likely to have non-metallic characteristics as metallic character decreases on moving across a period from left to right.

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Q4 state the common feature of the electronic configuration of elements at the end of period 2 and .Q. 5.If an element is in Group 7 [or Group 7 A] is it likely to be metallic or non-metallic character.

Electrons are added to 3rd or M shell. Group 17 or 7A is likely to have non-metallic characteristics as metallic character decreases on moving across a period from left to right.

Q4 state the common feature of the electronic configuration of elements at the end of period 2 and .
Q. 5.If an element is in Group 7 [or Group 7 A] is it likely to be metallic or non-metallic character.

Electrons are added to 3rd or M shell.
Group 17 or 7A is likely to have non-metallic characteristics as metallic character decreases on moving across a period from left to right.