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Q. The characteristics of elements $X , Y$ and $Z$ with atomic numbers, respectively, 33,53 and 83 are :

JEE MainJEE Main 2021Classification of Elements and Periodicity in Properties

Solution:

$X ={ }_{33} As \rightarrow$ Metalloid

$Y ={ }_{53} I \rightarrow$ Nonmetal

$Z ={ }_{83} Bi \rightarrow$ Metal