Atoms and electron structure - key definitions

HideShow resource information
Isotopes
Atoms of an element with different numbers of neutrons and different masses.
1 of 6
Relative atomic mass
average mass of an atom relative to 1/12 of the mass of a carbon-12 atom.
2 of 6
Relative isotopic mass
mass of a particluar isotope relative to 1/12 of the mass of a carbon-12 atom.
3 of 6
Orbital
A region that can hold up to two electrons with opposite spins.
4 of 6
First ionisation energy
Energy change when one mole of electrons is removed form one mole of gaseous atoms.
5 of 6
Successive ionisation energy
Energy change when one mole of electrons is removed from one mole of gaseous positively charged ions.
6 of 6

Other cards in this set

Card 2

Front

average mass of an atom relative to 1/12 of the mass of a carbon-12 atom.

Back

Relative atomic mass

Card 3

Front

mass of a particluar isotope relative to 1/12 of the mass of a carbon-12 atom.

Back

Preview of the back of card 3

Card 4

Front

A region that can hold up to two electrons with opposite spins.

Back

Preview of the back of card 4

Card 5

Front

Energy change when one mole of electrons is removed form one mole of gaseous atoms.

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 Atoms and Electron Structure resources »