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In which atom, the outermost electron can have the following set of quantum numbers?

n = 3, l = 0, ml = 0, ms = -\(\frac{1}{2}\)

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n = 3,l = 0,    \(\therefore\) Orbital is 3s

ml = 0, Means only one electron is present in 3s

ms = -\(\frac{1}{2}\) 

\(\therefore\) Electronic configuration of atom is –

1s2 , 2s22p6 , 3s1

\(\therefore\) The atom is sodium (Na)

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