Section 2.5- Atomic Mass Flashcards
1
Q
developed the concept of measuring atomic mass
A
John Dalton
2
Q
atomic mass in usually measured in
A
atomic mass units (amu)
3
Q
atomic masses can be measured with high precision using a
A
mass spectrometer
4
Q
a record of the mass distribution of particles in a sample is a
A
mass spectrum
5
Q
The atomic mass of an element usually means the ______________________ of the specified element in its naturally occurring mixture of isotopes
A
Average atomic mass
6
Q
To determine the average atomic mass, a _________________ is used to account for the natural abundances of the isotopes.
A
Weighted average
