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Q. The element with the electronic configuration as [ Ar ] $ 3d^{ 10 } \, 4s^2, \, 4p^3$ represents a

Jharkhand CECEJharkhand CECE 2010Classification of Elements and Periodicity in Properties

Solution:

Electronic configuration reveals that the p-orbital of the element is not complete. Therefore, it is a p-block element. Moreover, the atomic number of the element is 33(As).Therefore, it is a metalloid.