AS 1.2.8-14 Ionisation Energies

Question 1

First Ionisation Energy

Answer 1

The energy required to convert one mole of gaseous atoms into gaseous ions with a single positive charge.

Question 2

Second Ionisation Energy

Answer 2

The energy required to convert one mole of gaseous ions with a single positive charge into gaseous atoms with a double positive charge.

Question 3

Third Ionisation Energy

Answer 3

The energy required to convert one mole of gaseous ions with a double positive charge into gaseous atoms with a triple positive charge.

Question 4

Orbital

Answer 4

A volume of space in which there is a high probability of finding an electron. An orbital has a fixed energy level.