3.2 atomic masses Flashcards
0
Q
in the modern system of atomic masses, carbon-12 is assigned a mass of
A
exactly 12 amu
1
Q
the modern system of atomic masses is based on what atom?
A
carbon-12
2
Q
the masses of all other atoms are given relative to
A
the mass of carbon-12
3
Q
how do we measure atomic masses?
A
mass spectrometer
4
Q
why is the atomic mass for C 12.01 and not 12 amu?
A
the atomic masses are based on weighted averages of the natural, stable isotopes
