Question

A part of the periodic table is shown below:
I II III IV V VI VII 0
H He
A B
C D
Answer the following regarding-A, B, C and D:
(a) the most metallic element.
(b) the most non metallic element.
(c) the most electronegative element.
(d) the element having the highest electron affinity (E.A)?​

Answer 1

Answer:

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Answer 2

Answer:

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