Assertion: The first group elements valency is 1
Reason: these elements contain the same number of valence electrons
a

By Maya

Assertion: The first group elements valency is 1
Reason: these elements contain the same number of valence electrons
a Both assertion and reason are correct statements and reason is the correct explanation of of the assertion

b Both assertion and reason are correct statements but reason is not the correct explanation of assertion

c Assertion is correct but reason is wrong statement

d Assertion is wrong but reason is correct statement

e both assertion and reason are wrong statement​

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Maya

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