Atoms Flashcards
1
Q
Isotopes
A
Atoms of the same element with different numbers of neutrons and masses.
2
Q
Relative isotopic mass
A
The mass of an atom of an isotope compared with 1/12th of the mass of an atom of carbon-12.
3
Q
Relative atomic mass
A
The weighted mean mass of an atom of an element compared with 1/12th of the mass of an atom of carbon-12.
4
Q
Relative formula mass
A
The weighted mean mass of an atom of a formula unit compared with 1/12th of the mass of an atom of carbon-12.
5
Q
Relative molecular mass
A
The weighted mean mass of a molecule compared with 1/12th of an atom of carbon-12.