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Periodic Table and Periodicity question

2021 · 18 Mar · Shift 1 · Q2

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JEE Main
Chemistry
Periodic Table and Periodicity
2021 · 18 Mar · Shift 1 · Q2

Periodic Table and Periodicity question

2021 · 18 Mar · Shift 1 · Q2

JEE MainChemistryPeriodic Table and PeriodicityMCQ+4 / −1

The ionic radius of

Na^+

ions is 1.02

\mathop A\limits^o

. The ionic radii (in

\mathop A\limits^o

) of

Mg^{2+}

and

Al^{3+}

, respectively, are

A
1.05 and 0.99
B
0.72 and 0.54
C
0.85 and 0.99
D
0.68 and 0.72

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