Science, asked by samiparvez98260, 5 months ago

17(iv)Which statement is incorrect?
(a) Hydrogen and Lithium have valency of 1
(b) Magnesium and Calcium have valèncy of 2
(c) Boron and Aluminium, they have valency of 3.
(d) None of the above.

Answers

Answered by ssoumyadeep405

2

Answer:

(d)

Explanation:

all are correct in the given question

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