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
Answer:
d is write answer
Explanation:
d is write answer