Periodicity Flashcards
1
Q
First ionization energy
A
- 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
vertical column in the periodic table
3
Q
Period
A
horizontal row in the periodic table
4
Q
Periodicity
A
regular repeating of properties of the elements across the periodic table
5
Q
Successive ionization energies
A
measure of the energy required to remove each electron in turn