Chemistry

HideShow resource information
Ions
A positively or negatively charged atom or (covalently bonded) group of atoms (a molecular ion)
1 of 8
Isotopes
Atoms of the same element with different numbers of neutrons
2 of 8
Atomic Number
Number of protons in the nucleus of the atom
3 of 8
Mass (nucleon) Number
The number of particles (protons and neutrons) in the nucleus.
4 of 8
Relative Isotopic Mass
The mass of an atom of an isotope compared with 1/12 of the mass of carbon-12
5 of 8
Relative Atomic Mass
(Ar) he weighted mean mass if an atom of an element compared with 1/12 of the mass of an atom of carbon-12
6 of 8
Relative Molecular Mass
(Mr) The weighted mean mass of a molecule compared with 1/12 of the mass of an atom on carbon-12
7 of 8
Relative Formula Mass
The weighted mean mass of a formula unit compared to 1/12 of an atom of carbon-12
8 of 8

Other cards in this set

Card 2

Front

Atoms of the same element with different numbers of neutrons

Back

Isotopes

Card 3

Front

Number of protons in the nucleus of the atom

Back

Preview of the back of card 3

Card 4

Front

The number of particles (protons and neutrons) in the nucleus.

Back

Preview of the back of card 4

Card 5

Front

The mass of an atom of an isotope compared with 1/12 of the mass of carbon-12

Back

Preview of the back of card 5
View more cards

Comments

No comments have yet been made

Similar Chemistry resources:

See all Chemistry resources »See all Key Definitions of Whole course resources »