Question

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Answer 1

Answer:

i) valency is 2

ii) valency of element with E.C (2,3) (Boron) is 3

Answer 2

Answer:

♡✔❤i.) Oxygen has 6 valence electrons and 2 as its valency .

ii.) Aluminium is an element with valency is 3 having the electronic configruration is 2, 8, 3.