Question

hey brainliess plz answer thiss:)

Answer 1

ANSWER:--------

I) Elements B and D have same properties.

ii) a) A, B, D are metalliods

b) G is a noble gas.

III) Element A has a greater atomic radius, because atomic radius decreases across a period because the number of electrons and protons increases across a group so force of attraction on the electrons increases so the electron are attracted towards nucleus and hence size decreases.


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