Question

17. How many electrons in an atom may have the following quantumnumbers:

1.n=4, m=-1/2
2. n=3,1=0

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Answer 1

Explanation:

the total number of electron in n is given by 2n2

n=4,numbers of elctron =2x42=32

Half of 32 elecrons have spin quantum number ms=-1/2=16 ekecrons

n=3 and I=0 means it have 3s orbital which can have only 2 elecron

hence your answer is:1.(32)

3.(2)

Answer 2

Answer:

The total number of electrons in n is given by 2n2

n=4, Number of electrons = 2×42 = 32

Half of 32 electrons will have spin quantum number ms = –½ i.e. 16 electrons

(ii) n=3 and l=0 means it is 3s orbital which can have only 2 electrons.

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