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why ionic radius of K+ > Ca2+?
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Topic: why ionic radius of K+ > Ca2+? (Read 8803 times)
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e_w
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why ionic radius of K+ > Ca2+?
«
on:
October 02, 2009, 10:13:52 PM »
why ionic radius of K
+
> Ca
2+
?
they have the same electronic configuration!!
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UG
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Re: why ionic radius of K+ > Ca2+?
«
Reply #1 on:
October 02, 2009, 10:21:41 PM »
Yes, but potassium has 19 proton, calcium has 20. As a result there is greater nuclear attraction on the outer electrons, drawing them closer to the nucleus.
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leela sriram
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Re: why ionic radius of K+ > Ca2+?
«
Reply #2 on:
October 25, 2009, 03:57:24 PM »
as positive charge increases decrease in the atomic radii, because of increased nuclear attraction
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why ionic radius of K+ > Ca2+?