Input interpretation
bromine (chemical element) | astatine (chemical element) | fluorine (chemical element)
Periodic table location
Periodic table location
Images
Images
Basic elemental properties
![| bromine | astatine | fluorine atomic symbol | Br | At | F atomic number | 35 | 85 | 9 short electronic configuration | [Ar]4s^23d^104p^5 | [Xe]6s^24f^145d^106p^5 | [He]2s^22p^5 Aufbau diagram | 4p 3d 4s | 6p 5d 4f 6s | 2p 2s block | p | p | p group | 17 | 17 | 17 period | 4 | 6 | 2 atomic mass | 79.904 u | 210 u | 18.998403163 u half-life | (stable) | 8.1 h | (stable)](../image_source/5e40ac80640efdc93529a2c1677421a2.png)
| bromine | astatine | fluorine atomic symbol | Br | At | F atomic number | 35 | 85 | 9 short electronic configuration | [Ar]4s^23d^104p^5 | [Xe]6s^24f^145d^106p^5 | [He]2s^22p^5 Aufbau diagram | 4p 3d 4s | 6p 5d 4f 6s | 2p 2s block | p | p | p group | 17 | 17 | 17 period | 4 | 6 | 2 atomic mass | 79.904 u | 210 u | 18.998403163 u half-life | (stable) | 8.1 h | (stable)
Thermodynamic properties
| bromine | astatine | fluorine phase at STP | liquid | solid | gas melting point | -7.3 °C | 302 °C | -219.6 °C boiling point | 59 °C | | -188.12 °C critical temperature | 588 K | | 144.13 K critical pressure | 10.34 MPa | | 5.172 MPa molar heat of fusion | 5.8 kJ/mol | 6 kJ/mol | 0.26 kJ/mol molar heat of vaporization | 14.8 kJ/mol | 40 kJ/mol | 3.27 kJ/mol specific heat at STP | 947.3 J/(kg K) | | 824 J/(kg K) adiabatic index | | | 7/5 (properties at standard conditions)
Material properties
| bromine | astatine | fluorine density | 3.12 g/cm^3 | | 0.001696 g/cm^3 liquid density | 3.12 g/cm^3 | | molar volume | 25.61 cm^3/mol | | 11200 cm^3/mol bulk modulus | 1.9 GPa | | refractive index | 1.001132 | | 1.000195 thermal conductivity | 0.12 W/(m K) | 2 W/(m K) | 0.0277 W/(m K) (properties at standard conditions)
Electromagnetic properties
| bromine | astatine | fluorine electrical type | insulator | | resistivity | 1×10^10 Ω m (ohm meters) | | electrical conductivity | 1×10^-10 S/m (siemens per meter) | | magnetic type | diamagnetic | | volume magnetic susceptibility | -1.53×10^-5 | | mass magnetic susceptibility | -4.9×10^-9 m^3/kg (cubic meters per kilogram) | | molar magnetic susceptibility | -7.83×10^-10 m^3/mol (cubic meters per mole) | | color | (red) | (silver) | (colorless) refractive index | 1.001132 | | 1.000195
Reactivity
| bromine | astatine | fluorine valence | 5 | 7 | 1 electronegativity | 2.96 | 2.2 | 3.98 electron affinity | 324.6 kJ/mol (kilojoules per mole) | 270.1 kJ/mol (kilojoules per mole) | 328 kJ/mol (kilojoules per mole) first ionization energy | 1139.9 kJ/mol (kilojoules per mole) | 920 kJ/mol (kilojoules per mole) | 1681 kJ/mol (kilojoules per mole) ionization energies | 1139.9 kJ/mol | 2103 kJ/mol | 3470 kJ/mol | 4560 kJ/mol | 5760 kJ/mol | 8550 kJ/mol | 9940 kJ/mol | 18600 kJ/mol | 920 kJ/mol | 1681 kJ/mol | 3374.2 kJ/mol | 6050.4 kJ/mol | 8407.7 kJ/mol | 11022.7 kJ/mol | 15164.1 kJ/mol | 17868 kJ/mol | 92038.1 kJ/mol | 106434.3 kJ/mol
Reactivity
Atomic properties
| bromine | astatine | fluorine term symbol | ^2P_(3/2) | ^2P_(3/2) | ^2P_(3/2) atomic radius | 115 pm | 127 pm | 50 pm covalent radius | 120 pm | 150 pm | 57 pm van der Waals radius | 185 pm | | 147 pm (electronic ground state properties)
Abundances
| bromine | astatine | fluorine universe abundance | 7×10^-7 mass% | | 4×10^-5 mass% solar abundance | | | 5×10^-5 mass% meteorite abundance | 1.2×10^-4 mass% | 0 mass% | 0.0087 mass% crust abundance | 3×10^-4 mass% | 0 mass% | 0.054 mass% ocean abundance | 0.0067 mass% | 0 mass% | 1.3×10^-4 mass% human abundance | 2.9×10^-4 mass% | 0 mass% | 0.0037 mass% universe molar abundance | 1×10^-8 mol% | | 3×10^-6 mol% solar molar abundance | | | 3×10^-6 mol% meteorite molar abundance | 2.3×10^-5 mol% | 0 mol% | 0.0097 mol% ocean molar abundance | 5.2×10^-4 mol% | 0 mol% | 4.2×10^-5 mol% crust molar abundance | 7.8×10^-5 mol% | 0 mol% | 0.059 mol% human molar abundance | 2.3×10^-5 mol% | 0 mol% | 0.0012 mol%