The number of elements among the following. Which have lower electro negativity than oxygen atom, based on paulingscale , is ___________ F, Cl, Br, I, H, S, P, K, Ca
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Explanation:
Generally atomic Radius decreases
Ionisation energy Incomes and then
electronegativity Incomes.
on Pauling's electronegativity
scale O
2
(oxygen) is next to F
F→3.98
O→3.44 EN
(2) In Ca
2+
. the number of profanes in
the numbers of the ions is Increasing
That tend to pull the electrons
more and more towards the center
of ion → causing ionic radii to fall
as compared to K
⨁
k
+
>Ca
2+
: fonic Radii
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