Question : How many maximum electrons can the M shell have?
Option 1: 18
Option 2: 8
Option 3: 1
Option 4: 2
Correct Answer: 18
Solution : The correct option is 18.
The maximum number of electrons that the M shell can hold is determined by the formula 2n 2 , where "n" is the principal quantum number of the shell. For the M shell, which is the third shell, n is equal to 3. Therefore, the maximum number of electrons in the M shell is:
2 * (3) 2 = 2 * 9 = 18.
So, the M shell can hold a maximum of 18 electrons.
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