Chemistry, asked by User70659, 13 days ago

An atom 'A' has 2 electrons in the first orbit, 8 electrons in the second and 5 electrons in the third orbit of the atom. How many electrons are present in the orbit with highest energy?
Class:IX

Answers

Answered by ssachatan
0

Answer:

Explanation:

Correct option is C)

K                          L                              M

2                          8                               8

Thus, atomic number of the element will be 18.

And electronic configuration of the element can be given as:

1s  

2

2s  

2

2p  

6

3s  

2

3p  

6

 

Thus, total number of s electron is 6.

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