Three elements X,Y and Z are in the 3^{rd} pe | vedclass

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(C) In the $3^{rd}$ period,as we move from left to right,the metallic character decreases and non-metallic character increases. Consequently,the natur

Vedclass · Accepted Answer

$X < Y < Z$

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(C) In the $3^{rd}$ period,as we move from left to right,the metallic character decreases and non-metallic character increases. Consequently,the nature of oxides changes from basic to amphoteric to acidic. $X$ (basic oxide) is on the left,$Y$ (amphoteric oxide) is in the middle,and $Z$ (acidic oxide) is on the right. Since atomic number increases from left to right in a period,the order of atomic numbers is $X < Y < Z$.

Three elements $X$,$Y$ and $Z$ are in the $3^{rd}$ period of the periodic table. The oxides of $X$,$Y$ and $Z$,respectively,are basic,amphoteric and acidic. The correct order of the atomic numbers of $X$,$Y$ and $Z$ is:

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