Latin name | Bromum |
English name | Bromine |
chemical symbol | Br |
atomic number | 35 |
relative atomic mass | 79,904 |
period | 4 |
group | VII.A |
classification | halogens |
discovery year | 1826 |
discoverer | A. J. Balard |
melting point [°C] | -7,2 |
boiling point [°C] | 58,78 |
critical temperature [°C] | 315 |
critical pressure [MPa] | 10,34 |
density [g cm-3] | 3,119 |
electronegativity [Pauling] | 2,96 |
oxidation states | -I, I, V, VII |
electron configuration | [Ar]3d10 4s2 4p5 |
atomic radius [pm] | 94 |
covalent radius [pm] | 114 |
specific heat [J g-1K-1] | 0,473 |
heat of fusion [kJ mol-1] | 5,286 |
thermal conductivity [W m-1 K-1] | 0,12 |
el. conductivity [S m-1] | 1.10-10 |
1. ionizing potential [eV] | 11,8138 |
2. ionizing potential [eV] | 21,8 |
3. ionizing potential [eV] | 36,0 |
state at normal conditions | liquid |
Bromine is a heavy, mobile, reddish-brown liquid. It is the only liquid nonmetallic element.