Chemistry, asked by nareshsharman88, 1 month ago

Which has smallest size. Al3- Mg2- N3-

Answers

Answered by pathanshahin17
0

Answer:

12

MgMg

2+

13

Alal

3+

No. of e

_

12 10 13 10

No. of P

+

12 12 13 13

as we move from left to right in a period ionic radii

decrease due to increase in effective nuclear charge

Al>Mg

and also higher is the cationic charge smaller is the ionic radii due to the increase in effective nuclear charge

Hence, Al

3+

<Mg

2+

<Al<Mg

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