An element has outermost shell configutation 4s2,4p3 (a) find the atomic number of element place below it (b) next noble gas no.

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Solution

Dear Student,
Given electronic configuration belongs to Arsenic element. with atomic number 33
[Ar] 3d10 4s2 4p3

For finding atomic number paced below just 18 to it
so 33 + 28 = 51 which belong to antimony (Sb).
Next noble gas is Kr(36).

Regards

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An element has outermost shell configutation 4s2,4p3 (a) find the atomic number of element place below it (b) next noble gas no.

Dear Student, Given electronic configuration belongs to Arsenic element. with atomic number 33 [Ar] 3d10 4s2 4p3 For finding atomic number paced below just 18 to it so 33 + 28 = 51 which belong to antimony (Sb). Next noble gas is Kr(36). Regards

Dear Student,
Given electronic configuration belongs to Arsenic element. with atomic number 33
[Ar] 3d10 4s2 4p3

For finding atomic number paced below just 18 to it
so 33 + 28 = 51 which belong to antimony (Sb).
Next noble gas is Kr(36).

Regards