Elements in the modern version of the periodic table are arranged in order of increasing
A) atomic number
B) oxidation number
C) average atomic mass
D) atomic mass
E) number of isotopes

Question

Quizplus · Accepted Answer

The modern version of the periodic table is arranged in order of increasing atomic number. This means that each element is placed in the table based on the number of protons in its nucleus, and this number increases from left to right and from top to bottom in the table.

Elements in the Modern Version of the Periodic Table Are