Ionisation energy Flashcards
1
Q
What is the definition of ionisation energy?
A
The energy required to remove one electron from one mole of gaseous atoms to form one mole of gaseous +1 ions.
2
Q
What would be the equation for the first ionisation energy of Al?
A
~~~~~~~+ ~~~ -
Al –> Al + e
(g) ~~~(g)
Ignore ~ lines
3
Q
What factors effect ionisation energy?
A
- Nuclear attraction
- Electron shielding
- Atomic radii
- Electron pair repulsion