Properties of boron atoms

Ionisation Energies and electron affinity

The electron affinity of boron is 26.7  kJ mol-1. The ionisation energies of boron are given below.

Ionisation energy number Enthalpy /kJ mol-1
1st 800.6
2nd 2427.1
3rd 3659.7
4th 25025.8
5th 32826.7

Ionisation energies of B

Electronic configuration

The following represents the electronic configuration and its associated term symbol for the ground state neutral gaseous atom. The configuration associated with boron in its compounds is not necessarily the same.

Pointer to The Orbitron gallery of orbitals.

Kossel shell structure of B
A schematic representation of the shell structure of boron - not what the atom of boron "looks like".

WebElements Shop

WebElements now has a WebElements shop at which you can buy periodic table posters, mugs, T-shirts, games, fridge magnets, molecular models, and more.

Periodic Table fridge magnets Periodic Table fridge magnets
Buy our periodic table fridge magnets here

WebElements poster Periodic table t-shirts Periodic table mouse mats Molymod molecular model kits Chemistry educational resources

boron atomic number