The modern periodic table arranges the elements in order of
A) year of discovery
B) decreasing size of the nucleus
C) increasing reactivity with oxygen
D) increasing number of protons

Question

Quizplus · Accepted Answer

The modern periodic table arranges the elements in order of increasing atomic number, which is directly related to the number of protons in the nucleus. Therefore, option D, increasing number of protons, is the correct choice.

The Modern Periodic Table Arranges the Elements in Order of