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The valence shell of the element X conta...

The valence shell of the element X contains 2 electrons in 5s subshell.Below that shell,element X has a partially filled 4d subshell, then what type of element is X? 

A

Alkali metal

B

Alkaline earth metal

C

Chalcogen

D

None of these

Text Solution

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The correct Answer is:
D
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