Which of the following groups of physical properties increases from left to right of the periodic table?
i. Ionization energy ii. Atomic radius iii. Electronegativity iv. Electron affinity
-
A.
i and ii -
B.
i, ii and iii -
C.
iii and iv -
D.
i, iii and iv
Correct Answer: Option D
Explanation
Atomic radius is the distance from the atom’s nucleus to the outer edge of the electron cloud. In general, atomic radius decreases across a period and increases down a group.