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(a) A neutral atoms has 2K, 8L and 15M e...

(a) A neutral atoms has 2K, 8L and 15M electrons. Find the total numbers of electrons in s,p,d and f subshell.
(b) How many unpaired electrons are present in the following ions :
`Al^(+) , Cr^(2+) , Co^(3+) and Mn^(2+)`
(Given Atomic number : Al=13 , Cr=24 , Co=27 & Mn=25)
(c)One electron is present in 4f subshell. What is the sum `n+l+m_1 + m_s` values assuming 'f' subshell follows -3 to +3 order of filling electron .

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