Science, asked by jasskhalsa321, 9 months ago

teacher wrote the electric configuration of an atom of an element as 2,8,7 what is the atomic number of this element?​

Answers

Answered by Lisa99936
3

Answer:

I am not so good in chemistry...

Answered by sadhanroydot542
13

Explanation:

17 is atomic number

and element is chlorine

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