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| તત્વ | $IE_1$ | $IE_2$ | $IE_3$ | $IE_4$ |
| $W$ | $10.5$ | $15.5$ | $24.9$ | $79.8$ |
| $X$ | $8$ | $14.8$ | $78.9$ | $105.8$ |
| યાદી-$I$ | યાદી-$II$ |
| $A$. $Al^{3+} < Mg^{2+} < Na^{+} < F^{-}$ | $I$. આયનીકરણ એન્થાલ્પી |
| $B$. $B < C < O < N$ | $II$. ધાત્વીય ગુણધર્મ |
| $C$. $B < Al < Mg < K$ | $III$. વિદ્યુતઋણતા |
| $D$. $Si < P < S < Cl$ | $IV$. આયનીય ત્રિજ્યા |
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