Science, asked by mohammedziyanmansuri, 1 month ago

An atom has electronic configuration 2,8,7. what is the atomic number of this element ?

Answers

Answered by Anonymous

2

Answer:

17

Explanation:

Electronic configuration of an atom = 2, 8, 7

As the electronic configuration of the given atom is 2,8,7 it is inferred that the atomic number of element is 17 (2+8+7).

Thus, the element is chlorine with the atomic number 17

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