Question

Answer these questions of periodic table

Answer 1

Answer:

X=sodium

Y=lithium

b) I don't know

Answer 2

Answer:

a) X is Sodium

Y is Lithium

b) Yes they belong to the same group as they have same number of electrons in their. outermost shell

c) sodium is more elctropositive in nature because as it appears below fluorine in the periodic table and elctropositivity increases down the group

Explanation:

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