The K L and Mshells of an atom are full. Its atomic number is
________.
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Answered by
2
Explanation:
The maximum number of electrons that can be occupied in K and L-shells of an atom are 2 and 8 respectively. Therefore, if K and L-shells of an atom are full, then the total number of electrons in the atom would be (2 + 8) = 10 electrons.
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ayeshakhan432:
your answer is incorrect it's answer is 18
i had only given for k and l shell i did gave for m shell. ok now i am taking m shell aslo that will be 2+2+8=18
ok
sorry that is my mistake i didn't read the question properly sorry
Answered by
3
K shell = 2
L shell = 8
M shell = 8
Its atomic number = 2 + 8 + 8
==> 18
The atomic number of the given element is 18
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