Question

Successive addition of electronic shells in case of elements
of 17th group causes a increase in
(a) electronegativity
(b) ionization energy
(c) ease of formation of unipositive ion
(d) oxidizing power

Answer 1

Answer:

As the atomic number increases along a row of the periodic table, additional electrons are added to the same, outermost shell. The radius of this shell gradually contracts as the attraction between the additional electrons and the nucleus increases. In a noble gas, the outermost shell is completely filled.

Answer 2

Answer:

d is the answer.............