Question

If the radius of atom X is greater than the radius of atom Y (given that X and Y are in the same period) using general periodic trends, it is likely that:

A)X are a larger electron affinity that Y does

B) X has a larger effective nuclear charge than Y does.

C) X has a greater metallic character than Y does

D) X has a larger first ionization energy than Y does

E) X has a poorer conductor of electricity than Y when in the solid state

Answer 1

Solution :-

X have greater radius than Y means that the x is on the left side of the y in the periodic table because radius decreases across the period.

Electron affinity increases from left to right so the statement A is false

Effective nuclear charge increases from left to right so statement B is false

Metallic character decreases from left to right so the statement C is correct.

Ionization energy increases from left to right so the statement D is false

X is more metallic than y so the statement E is false

So the correct answer is statement C