Question

how is the maximum number of electron in each sell calculated


answer for:


first orbit:
second orbit:

Answer 1

the maximum no. of electrons are calculated by the formula = 2n^2 where n is the shell no.

•for the first shell:-
n=1
2×1^2=2×1=2

• for the second shell,
n=2
2×2^2=2×4=8

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Answer 2

HEYA !!
HERE'S THE ANSWER ⏬
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☞ The formula for counting the no. of electrons in each shell is :

$2n {}^{2}$

Where , "n" stands for no. of orbital series .

☞The shells are divided as K , L , M , N .... and so on .

Here , the first orbit is K .

Therefore , the maximum no. of electrons in first or K shell is :

$2 \times 1 {}^{2} \\ = 2$

☞Similarly , in the second orbit or L shell , no. of maximum electrons :

$2 \times 2 {}^{2} \\ = 8$
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HOPE IT HELPS YOU ✌!!!