Atomic size varies with position in the periodic table primarily because of what influence(s)?
i.Highest occupied principal energy level
ii.Increasing number of electrons with increasing atomic number
iii.Nuclear charge
A)i only
B)ii only
C)iii only
D)i and iii
E)i, ii, and iii

Question

Quizplus · Accepted Answer

Atomic size is determined by the size of the highest occupied principal energy level, which is influenced by both the nuclear charge and the increasing number of electrons with increasing atomic number. Therefore, i and iii are both correct influences on atomic size.

Atomic Size Varies with Position in the Periodic Table Primarily