The atomic mass unit is presently based on assigning an exact integral mass (in amu)to an isotope of ________.
A)hydrogen
B)oxygen
C)sodium
D)carbon
E)helium

Name: The atomic mass unit is presently based on assigning an exact integral mass (in amu)to an isotope of ________. A)hydrogen B)oxygen C)sodium D)carbon E)helium
Brand: Quizplus
Rating: 4.8 (37 reviews)

Question

Quizplus · Accepted Answer

The atomic mass unit (amu) is currently defined based on carbon-12, where 12 amu is the exact mass of one mole of carbon-12 atoms. This provides a standard for measuring atomic masses.

The Atomic Mass Unit Is Presently Based on Assigning an Exact