The atomic masses appearing in the periodic table are ________.
A)absolute masses
B)relative masses
C)standard deviation masses
D)formula masses

Question

Quizplus · Accepted Answer

The atomic masses appearing in the periodic table are relative masses, which means they are compared to the mass of an atom of carbon-12 (which is assigned a mass of exactly 12 atomic mass units). The atomic masses listed on the periodic table represent the average mass of an atom of that element based on the relative abundance of each isotope.

The Atomic Masses Appearing in the Periodic Table Are ________