Question

An element which exhibits +3 valency.
a. Sulphur
b. Aluminum
c. Sodium
d. Lithium
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Answer 1

B is a answer of what is there a way to

Answer 2

Hi ! Below is your answer

Aluminium exhibits a valency of +3

as,

valency of sodium = +1, lithium = +1, sulphur = -2

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