Science, asked by ayesha6054, 11 months ago

An atom has an electronic configuration 2, 8, 7

◇ Name the element.

◇Write its group and period of that element.

Answers

Answered by nishantkohli40pa23kf

Name of Element :- Chlorine

Group:-17

Period:-3

nishantkohli40pa23kf: it will become 17

nishantkohli40pa23kf: so the group is 17

Kartikgenius09: the sum of all the no.s is 17..

nishantkohli40pa23kf: sum of all the no is become ur atmoic number

Kartikgenius09: ooh..

Kartikgenius09: thank you very much......

nishantkohli40pa23kf: electronic configuration of chlorine is 2 , 8 ,7

nishantkohli40pa23kf: adding 10 in last is compulsory so 17 is ur group

nishantkohli40pa23kf: 2 ,8,7 is has three cells so period is 3

nishantkohli40pa23kf: hope u understand

Answered by Anonymous

$\it\huge\mathfrak\red{name:-}$ ]Chlorine.

$\it\huge\mathfrak\red{group:-}$ ]17

$\it\huge\mathfrak\red{period:-}$ ]3

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