Question

Calculate the electronegativity of silicon using AJlredRochow method. Covalent radius of silicon is 1.175 A.

Answer 1

Answer:

Allred-Rochow equation is,

Zeff

X = 0.359 -2- + 0.744

r

{Zeff is calculated on the basis of Slater's rules taking all the

electrons.)

Electronic configuration of Si is Is2, 2s2 2p6, 3s2 3p2.

Zett = 14 - (0.35 x 4 + 0.85 x8 + 2 x 1) = 3.80

. 3.80

X = 0.359 (1.175)2 + 0.744 = 1.73

Answer 2

Explanation:

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