An element x has 5 electrons in M shell . What is the atomic number
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Answer is Phosphorus (Z=15)
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If the element has 5 electrons in the M shell, it is in the 3rd period of Periodic Table and 15th group.
The element in 3rd period and 15th group is Phosphorous.
Hence "X" is Phosphorous (P).
The element in 3rd period and 15th group is Phosphorous.
Hence "X" is Phosphorous (P).
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