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Modern Periodic Table

Electronegati...

Question

Electronegativity values of some elements are given. Analyze these values, and find whether these compounds are ionic or covalent.

( Electronegativity of Ca = 1, O = 3.5, C = 2.5, S = 2.58, H = 2.2, F = 3.98)
a) ${SO}_{2}$
b) $H_{2} O$
c) ${CaF}_{2}$
d) ${CO}_{2}$

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