bromine vs fluorine

bromine (chemical element) | fluorine (chemical element)

Periodic table location

Images

| bromine | fluorine atomic symbol | Br | F atomic number | 35 | 9 short electronic configuration | [Ar]4s^23d^104p^5 | [He]2s^22p^5 Aufbau diagram | 4p 3d 4s | 2p 2s block | p | p group | 17 | 17 period | 4 | 2 atomic mass | 79.904 u | 18.998403163 u half-life | (stable) | (stable)

| bromine | fluorine phase at STP | liquid | gas melting point | -7.3 °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 | 0.26 kJ/mol molar heat of vaporization | 14.8 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)

| bromine | 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) | 0.0277 W/(m K) (properties at standard conditions)

| bromine | 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) | (colorless) refractive index | 1.001132 | 1.000195

| bromine | fluorine valence | 5 | 1 electronegativity | 2.96 | 3.98 electron affinity | 324.6 kJ/mol (kilojoules per mole) | 328 kJ/mol (kilojoules per mole) first ionization energy | 1139.9 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 | 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

| bromine | fluorine term symbol | ^2P_(3/2) | ^2P_(3/2) atomic radius | 115 pm | 50 pm covalent radius | 120 pm | 57 pm van der Waals radius | 185 pm | 147 pm (electronic ground state properties)

| bromine | fluorine universe abundance | 7×10^-7 mass% | 4×10^-5 mass% solar abundance | | 5×10^-5 mass% meteorite abundance | 1.2×10^-4 mass% | 0.0087 mass% crust abundance | 3×10^-4 mass% | 0.054 mass% ocean abundance | 0.0067 mass% | 1.3×10^-4 mass% human abundance | 2.9×10^-4 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% | 0.0097 mol% ocean molar abundance | 5.2×10^-4 mol% | 4.2×10^-5 mol% crust molar abundance | 7.8×10^-5 mol% | 0.059 mol% human molar abundance | 2.3×10^-5 mol% | 0.0012 mol%

| bromine | fluorine half-life | (stable) | (stable) stable isotopes | Br-79 (50.69%) | Br-81 (49.31%) | F-19 (100%) nuclear spin | Br-67: 1/2^- | Br-68: 3^+ | Br-69: 1/2^- | Br-70: 0^+ | Br-71: 5/2^- | Br-72: 1^+ | Br-73: 1/2^- | Br-74: 0^- | Br-75: 3/2^- | Br-76: 1^- | Br-77: 3/2^- | Br-78: 1^+ | Br-79: 3/2^- | Br-80: 1^+ | Br-81: 3/2^- | Br-82: 5^- | Br-83: 3/2^- | Br-84: 2^- | Br-85: 3/2^- | Br-86: 2^- | Br-87: 3/2^- | Br-88: 2^- | Br-91: 3/2^- | Br-92: 2^- | Br-93: 5/2^- | Br-95: 3/2^- | Br-97: 3/2^- | F-14: 2^- | F-15: 1/2^+ | F-16: 0^- | F-17: 5/2^+ | F-18: 1^+ | F-19: 1/2^+ | F-20: 2^+ | F-21: 5/2^+ | F-22: 4^+ | F-23: 5/2^+ | F-25: 5/2^+ | F-26: 1^+ | F-27: 5/2^+ | F-29: 5/2^+ | F-31: 5/2^+ unstable isotopes | Br-77 (57.0361 h) | Br-82 (35.2833 h) | Br-76 (16.2 h) | Br-83 (140 min) | Br-75 (97 min) | Br-84 (31.8 min) | Br-74 (25.4 min) | Br-80 (17.68 min) | Br-78 (6.47 min) | Br-73 (200 s) | Br-85 (174 s) | Br-72 (78.6 s) | Br-87 (55.65 s) | Br-86 (55.1 s) | Br-71 (21.4 s) | Br-88 (16.29 s) | Br-89 (4.4 s) | Br-90 (1.91 s) | Br-91 (541 ms) | Br-92 (343 ms) | Br-93 (102 ms) | Br-70 (79.1 ms) | Br-94 (70 ms) | Br-68 (1.2 µs) | Br-97 (150 ns) | Br-96 (150 ns) | Br-95 (150 ns) | Br-69 (24 ns) | F-18 (109.771 min) | F-17 (64.49 s) | F-20 (11.07 s) | F-22 (4.23 s) | F-21 (4.158 s) | F-23 (2.23 s) | F-24 (390 ms) | F-25 (50 ms) | F-26 (9.6 ms) | F-27 (5 ms) | F-29 (2.5 ms) | F-30 (260 ns) | F-31 (250 ns) | F-28 (40 ns) | F-16 (11 zs) | F-15 (0.46 zs) neutron cross-section | 6.8 b | 0.0096 b neutron mass absorption | 0.002 m^2/kg | 2×10^-5 m^2/kg

| bromine | fluorine CAS number | 7726-95-6 | 7782-41-4 PubChem CID number | 24408 | 24524 Gmelin number | | 16281