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element types of selenium hexafluoride

Input interpretation

selenium hexafluoride | element types
selenium hexafluoride | element types

Result

fluorine | selenium
fluorine | selenium

Periodic table location

Periodic table location
Periodic table location

Images

Images
Images

Basic elemental properties

| fluorine | selenium atomic symbol | F | Se atomic number | 9 | 34 short electronic configuration | [He]2s^22p^5 | [Ar]4s^23d^104p^4 Aufbau diagram | 2p 2s | 4p 3d 4s block | p | p group | 17 | 16 period | 2 | 4 atomic mass | 18.998403163 u | 78.971 u half-life | (stable) | (stable)
| fluorine | selenium atomic symbol | F | Se atomic number | 9 | 34 short electronic configuration | [He]2s^22p^5 | [Ar]4s^23d^104p^4 Aufbau diagram | 2p 2s | 4p 3d 4s block | p | p group | 17 | 16 period | 2 | 4 atomic mass | 18.998403163 u | 78.971 u half-life | (stable) | (stable)

Thermodynamic properties

| fluorine | selenium phase at STP | gas | solid melting point | -219.6 °C | 221 °C boiling point | -188.12 °C | 685 °C critical temperature | 144.13 K | 1766 K critical pressure | 5.172 MPa | 27.2 MPa molar heat of fusion | 0.26 kJ/mol | 5.4 kJ/mol molar heat of vaporization | 3.27 kJ/mol | 26 kJ/mol specific heat at STP | 824 J/(kg K) | 321.2 J/(kg K) adiabatic index | 7/5 | (properties at standard conditions)
| fluorine | selenium phase at STP | gas | solid melting point | -219.6 °C | 221 °C boiling point | -188.12 °C | 685 °C critical temperature | 144.13 K | 1766 K critical pressure | 5.172 MPa | 27.2 MPa molar heat of fusion | 0.26 kJ/mol | 5.4 kJ/mol molar heat of vaporization | 3.27 kJ/mol | 26 kJ/mol specific heat at STP | 824 J/(kg K) | 321.2 J/(kg K) adiabatic index | 7/5 | (properties at standard conditions)

Material properties

| fluorine | selenium density | 0.001696 g/cm^3 | 4.819 g/cm^3 liquid density | | 3.99 g/cm^3 molar volume | 11200 cm^3/mol | 16.39 cm^3/mol Mohs hardness | | 2 (≈ gypsum) Brinell hardness | | 736 MPa bulk modulus | | 8.3 GPa shear modulus | | 3.7 GPa Young's modulus | | 10 GPa Poisson ratio | | 0.33 refractive index | 1.000195 | 1.000895 sound speed | | 3350 m/s thermal conductivity | 0.0277 W/(m K) | 0.52 W/(m K) (properties at standard conditions)
| fluorine | selenium density | 0.001696 g/cm^3 | 4.819 g/cm^3 liquid density | | 3.99 g/cm^3 molar volume | 11200 cm^3/mol | 16.39 cm^3/mol Mohs hardness | | 2 (≈ gypsum) Brinell hardness | | 736 MPa bulk modulus | | 8.3 GPa shear modulus | | 3.7 GPa Young's modulus | | 10 GPa Poisson ratio | | 0.33 refractive index | 1.000195 | 1.000895 sound speed | | 3350 m/s thermal conductivity | 0.0277 W/(m K) | 0.52 W/(m K) (properties at standard conditions)

Electromagnetic properties

| fluorine | selenium magnetic type | | diamagnetic volume magnetic susceptibility | | -1.93×10^-5 mass magnetic susceptibility | | -4×10^-9 m^3/kg (cubic meters per kilogram) molar magnetic susceptibility | | -3.16×10^-10 m^3/mol (cubic meters per mole) work function | | 5.9 eV (Polycrystalline) threshold frequency | | 1.427×10^15 Hz (hertz) color | (colorless) | (gray) refractive index | 1.000195 | 1.000895
| fluorine | selenium magnetic type | | diamagnetic volume magnetic susceptibility | | -1.93×10^-5 mass magnetic susceptibility | | -4×10^-9 m^3/kg (cubic meters per kilogram) molar magnetic susceptibility | | -3.16×10^-10 m^3/mol (cubic meters per mole) work function | | 5.9 eV (Polycrystalline) threshold frequency | | 1.427×10^15 Hz (hertz) color | (colorless) | (gray) refractive index | 1.000195 | 1.000895

Reactivity

| fluorine | selenium valence | 1 | 6 electronegativity | 3.98 | 2.55 electron affinity | 328 kJ/mol (kilojoules per mole) | 195 kJ/mol (kilojoules per mole) first ionization energy | 1681 kJ/mol (kilojoules per mole) | 941 kJ/mol (kilojoules per mole) ionization energies | 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 | 941 kJ/mol | 2045 kJ/mol | 2973.7 kJ/mol | 4144 kJ/mol | 6590 kJ/mol | 7880 kJ/mol | 14990 kJ/mol
| fluorine | selenium valence | 1 | 6 electronegativity | 3.98 | 2.55 electron affinity | 328 kJ/mol (kilojoules per mole) | 195 kJ/mol (kilojoules per mole) first ionization energy | 1681 kJ/mol (kilojoules per mole) | 941 kJ/mol (kilojoules per mole) ionization energies | 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 | 941 kJ/mol | 2045 kJ/mol | 2973.7 kJ/mol | 4144 kJ/mol | 6590 kJ/mol | 7880 kJ/mol | 14990 kJ/mol
Reactivity
Reactivity

Atomic properties

| fluorine | selenium term symbol | ^2P_(3/2) | ^3P_2 atomic radius | 50 pm | 115 pm covalent radius | 57 pm | 120 pm van der Waals radius | 147 pm | 190 pm (electronic ground state properties)
| fluorine | selenium term symbol | ^2P_(3/2) | ^3P_2 atomic radius | 50 pm | 115 pm covalent radius | 57 pm | 120 pm van der Waals radius | 147 pm | 190 pm (electronic ground state properties)

Abundances

| fluorine | selenium universe abundance | 4×10^-5 mass% | 3×10^-6 mass% solar abundance | 5×10^-5 mass% | meteorite abundance | 0.0087 mass% | 0.0013 mass% crust abundance | 0.054 mass% | 5×10^-6 mass% ocean abundance | 1.3×10^-4 mass% | 4.5×10^-8 mass% human abundance | 0.0037 mass% | 5×10^-6 mass% universe molar abundance | 3×10^-6 mol% | 5×10^-8 mol% solar molar abundance | 3×10^-6 mol% | meteorite molar abundance | 0.0097 mol% | 2.9×10^-4 mol% ocean molar abundance | 4.2×10^-5 mol% | 3.5×10^-9 mol% crust molar abundance | 0.059 mol% | 9.9×10^-7 mol% human molar abundance | 0.0012 mol% | 4×10^-7 mol%
| fluorine | selenium universe abundance | 4×10^-5 mass% | 3×10^-6 mass% solar abundance | 5×10^-5 mass% | meteorite abundance | 0.0087 mass% | 0.0013 mass% crust abundance | 0.054 mass% | 5×10^-6 mass% ocean abundance | 1.3×10^-4 mass% | 4.5×10^-8 mass% human abundance | 0.0037 mass% | 5×10^-6 mass% universe molar abundance | 3×10^-6 mol% | 5×10^-8 mol% solar molar abundance | 3×10^-6 mol% | meteorite molar abundance | 0.0097 mol% | 2.9×10^-4 mol% ocean molar abundance | 4.2×10^-5 mol% | 3.5×10^-9 mol% crust molar abundance | 0.059 mol% | 9.9×10^-7 mol% human molar abundance | 0.0012 mol% | 4×10^-7 mol%

Nuclear properties

| fluorine | selenium half-life | (stable) | (stable) stable isotopes | F-19 (100%) | Se-80 (49.61%) | Se-78 (23.77%) | Se-76 (9.37%) | Se-77 (7.63%) | Se-74 (0.89%) nuclear spin | 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^+ | Se-65: 3/2^- | Se-66: 0^+ | Se-67: 5/2^- | Se-68: 0^+ | Se-70: 0^+ | Se-71: 5/2^- | Se-72: 0^+ | Se-73: 9/2^+ | Se-74: 0^+ | Se-75: 5/2^+ | Se-76: 0^+ | Se-77: 1/2^- | Se-78: 0^+ | Se-79: 7/2^+ | Se-80: 0^+ | Se-81: 1/2^- | Se-82: 0^+ | Se-83: 9/2^+ | Se-84: 0^+ | Se-85: 5/2^+ | Se-86: 0^+ | Se-87: 5/2^+ | Se-88: 0^+ | Se-89: 5/2^+ | Se-90: 0^+ | Se-91: 1/2^+ | Se-92: 0^+ | Se-93: 1/2^+ | Se-94: 0^+ unstable isotopes | 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) | Se-79 (0.295 Myr) | Se-75 (119.79 days) | Se-72 (8.4 days) | Se-73 (7.14 h) | Se-70 (41.17 min) | Se-83 (22.33 min) | Se-81 (18.45 min) | Se-71 (4.73 min) | Se-84 (186 s) | Se-68 (35.5 s) | Se-85 (31.7 s) | Se-69 (27.4 s) | Se-86 (15.3 s) | Se-87 (5.5 s) | Se-88 (1.53 s) | Se-89 (410 ms) | Se-91 (270 ms) | Se-67 (136 ms) | Se-65 (50 ms) | Se-66 (33 ms) | Se-92 (300 ns) | Se-90 (300 ns) | Se-94 (150 ns) | Se-93 (150 ns) neutron cross-section | 0.0096 b | 11.7 b neutron mass absorption | 2×10^-5 m^2/kg | 0.0056 m^2/kg
| fluorine | selenium half-life | (stable) | (stable) stable isotopes | F-19 (100%) | Se-80 (49.61%) | Se-78 (23.77%) | Se-76 (9.37%) | Se-77 (7.63%) | Se-74 (0.89%) nuclear spin | 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^+ | Se-65: 3/2^- | Se-66: 0^+ | Se-67: 5/2^- | Se-68: 0^+ | Se-70: 0^+ | Se-71: 5/2^- | Se-72: 0^+ | Se-73: 9/2^+ | Se-74: 0^+ | Se-75: 5/2^+ | Se-76: 0^+ | Se-77: 1/2^- | Se-78: 0^+ | Se-79: 7/2^+ | Se-80: 0^+ | Se-81: 1/2^- | Se-82: 0^+ | Se-83: 9/2^+ | Se-84: 0^+ | Se-85: 5/2^+ | Se-86: 0^+ | Se-87: 5/2^+ | Se-88: 0^+ | Se-89: 5/2^+ | Se-90: 0^+ | Se-91: 1/2^+ | Se-92: 0^+ | Se-93: 1/2^+ | Se-94: 0^+ unstable isotopes | 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) | Se-79 (0.295 Myr) | Se-75 (119.79 days) | Se-72 (8.4 days) | Se-73 (7.14 h) | Se-70 (41.17 min) | Se-83 (22.33 min) | Se-81 (18.45 min) | Se-71 (4.73 min) | Se-84 (186 s) | Se-68 (35.5 s) | Se-85 (31.7 s) | Se-69 (27.4 s) | Se-86 (15.3 s) | Se-87 (5.5 s) | Se-88 (1.53 s) | Se-89 (410 ms) | Se-91 (270 ms) | Se-67 (136 ms) | Se-65 (50 ms) | Se-66 (33 ms) | Se-92 (300 ns) | Se-90 (300 ns) | Se-94 (150 ns) | Se-93 (150 ns) neutron cross-section | 0.0096 b | 11.7 b neutron mass absorption | 2×10^-5 m^2/kg | 0.0056 m^2/kg

Identifiers

| fluorine | selenium CAS number | 7782-41-4 | 7782-49-2 PubChem CID number | 24524 | Gmelin number | 16281 |
| fluorine | selenium CAS number | 7782-41-4 | 7782-49-2 PubChem CID number | 24524 | Gmelin number | 16281 |

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