Only one electron in the outermost shell of an atom has the following set of quantum numbers- n-2-1-0- The atom belongs to which of the following elements-A- LithiumB- BerylliumC- BoronD- Hydrogen

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Principle Quantum Number

Only one elec...

Question

Only one electron in the outermost shell of an atom has the following set of quantum numbers: $n = 2, l = 0$ . The atom belongs to which of the following elements?

Lithium

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Beryllium

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Hydrogen

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Boron

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$n$	$l$	$m_{l}$	$m_{s}$
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