Definitions - Periodicity Flashcards
1
Q
First ionisation energy
A
The energy required to remove one electron from each atom in a mole of atoms in the gas phase (kJ mol-1)
2
Q
Group
A
A vertical column in the periodic table
3
Q
Period
A
A horizontal row in the periodic table
4
Q
Periodicity
A
The regular repeating of properties of the elements across the periodic table
5
Q
Successive ionisation energies
A
A measure of the energy required to remove each electron in turn.
