Which of the following have same valency....He, Mg, Be, Ne.
a) He and Mg
b) Mg and Be
c) Be and Ne
d) He and Ne
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Answer:
anSwer is option c and d
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Answered by
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OPTION B
MAGNESIUM AND BERRYLIUM
Explanation:
THE VALENCY OF MG IS 2 SAME AD BE
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