Question

which of the following has zero valency...?? 1.sodium 2.berylium 3.aluminium 4.krypton​

Answer 1

Answer:

hey mate

Explanation:

4) Krypton has zero valency .

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Answer 2

Answer:

Krypton. Since krypton is in the far right row of the periodic table, its outermost shell is full with eight electrons.

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