Electron Structure

Question 1

First ionisation energy

Answer 1

the energy required to remove one electron from each atom in one mole of gaseous atoms to form one mole of gaseous 1+ ions.

Question 2

Successive ionisation energy

Answer 2

A measure of the energy required to remove each electron in turn.

Question 3

Orbital

Answer 3

A region of an atom that can hold up to 2 electrons, with opposite spins.