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oxygen vs selenium vs sulfur

Input interpretation

oxygen (chemical element) | selenium (chemical element) | sulfur (chemical element)
oxygen (chemical element) | selenium (chemical element) | sulfur (chemical element)

Periodic table location

Periodic table location
Periodic table location

Images

Images
Images

Basic elemental properties

| oxygen | selenium | sulfur atomic symbol | O | Se | S atomic number | 8 | 34 | 16 short electronic configuration | [He]2s^22p^4 | [Ar]4s^23d^104p^4 | [Ne]3s^23p^4 Aufbau diagram | 2p 2s | 4p 3d 4s | 3p 3s block | p | p | p group | 16 | 16 | 16 period | 2 | 4 | 3 atomic mass | 15.999 u | 78.971 u | 32.06 u half-life | (stable) | (stable) | (stable)
| oxygen | selenium | sulfur atomic symbol | O | Se | S atomic number | 8 | 34 | 16 short electronic configuration | [He]2s^22p^4 | [Ar]4s^23d^104p^4 | [Ne]3s^23p^4 Aufbau diagram | 2p 2s | 4p 3d 4s | 3p 3s block | p | p | p group | 16 | 16 | 16 period | 2 | 4 | 3 atomic mass | 15.999 u | 78.971 u | 32.06 u half-life | (stable) | (stable) | (stable)

Thermodynamic properties

| oxygen | selenium | sulfur phase at STP | gas | solid | solid melting point | -218.3 °C | 221 °C | 115.21 °C boiling point | -182.9 °C | 685 °C | 444.72 °C critical temperature | 154.59 K | 1766 K | 1314 K critical pressure | 5.043 MPa | 27.2 MPa | 20.7 MPa molar heat of fusion | 0.222 kJ/mol | 5.4 kJ/mol | 1.73 kJ/mol molar heat of vaporization | 3.41 kJ/mol | 26 kJ/mol | 9.8 kJ/mol specific heat at STP | 919 J/(kg K) | 321.2 J/(kg K) | 705 J/(kg K) adiabatic index | 7/5 | | (properties at standard conditions)
| oxygen | selenium | sulfur phase at STP | gas | solid | solid melting point | -218.3 °C | 221 °C | 115.21 °C boiling point | -182.9 °C | 685 °C | 444.72 °C critical temperature | 154.59 K | 1766 K | 1314 K critical pressure | 5.043 MPa | 27.2 MPa | 20.7 MPa molar heat of fusion | 0.222 kJ/mol | 5.4 kJ/mol | 1.73 kJ/mol molar heat of vaporization | 3.41 kJ/mol | 26 kJ/mol | 9.8 kJ/mol specific heat at STP | 919 J/(kg K) | 321.2 J/(kg K) | 705 J/(kg K) adiabatic index | 7/5 | | (properties at standard conditions)

Material properties

| oxygen | selenium | sulfur density | 0.001429 g/cm^3 | 4.819 g/cm^3 | 1.96 g/cm^3 liquid density | | 3.99 g/cm^3 | 1.819 g/cm^3 molar volume | 11200 cm^3/mol | 16.39 cm^3/mol | 16.36 cm^3/mol Mohs hardness | | 2 (≈ gypsum) | 2 (≈ gypsum) Brinell hardness | | 736 MPa | bulk modulus | | 8.3 GPa | 7.7 GPa shear modulus | | 3.7 GPa | Young's modulus | | 10 GPa | Poisson ratio | | 0.33 | refractive index | 1.000271 | 1.000895 | 1.001111 sound speed | 317.5 m/s | 3350 m/s | thermal conductivity | 0.02658 W/(m K) | 0.52 W/(m K) | 0.205 W/(m K) (properties at standard conditions)
| oxygen | selenium | sulfur density | 0.001429 g/cm^3 | 4.819 g/cm^3 | 1.96 g/cm^3 liquid density | | 3.99 g/cm^3 | 1.819 g/cm^3 molar volume | 11200 cm^3/mol | 16.39 cm^3/mol | 16.36 cm^3/mol Mohs hardness | | 2 (≈ gypsum) | 2 (≈ gypsum) Brinell hardness | | 736 MPa | bulk modulus | | 8.3 GPa | 7.7 GPa shear modulus | | 3.7 GPa | Young's modulus | | 10 GPa | Poisson ratio | | 0.33 | refractive index | 1.000271 | 1.000895 | 1.001111 sound speed | 317.5 m/s | 3350 m/s | thermal conductivity | 0.02658 W/(m K) | 0.52 W/(m K) | 0.205 W/(m K) (properties at standard conditions)

Electromagnetic properties

| oxygen | selenium | sulfur electrical type | | | insulator resistivity | | | 1×10^15 Ω m (ohm meters) electrical conductivity | | | 1×10^-15 S/m (siemens per meter) magnetic type | paramagnetic | diamagnetic | diamagnetic volume magnetic susceptibility | 1.90772×10^-6 | -1.93×10^-5 | -1.22×10^-5 mass magnetic susceptibility | 1.335×10^-6 m^3/kg (cubic meters per kilogram) | -4×10^-9 m^3/kg (cubic meters per kilogram) | -6.2×10^-9 m^3/kg (cubic meters per kilogram) molar magnetic susceptibility | 4.27184×10^-8 m^3/mol (cubic meters per mole) | -3.16×10^-10 m^3/mol (cubic meters per mole) | -1.99×10^-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) | (yellow) refractive index | 1.000271 | 1.000895 | 1.001111
| oxygen | selenium | sulfur electrical type | | | insulator resistivity | | | 1×10^15 Ω m (ohm meters) electrical conductivity | | | 1×10^-15 S/m (siemens per meter) magnetic type | paramagnetic | diamagnetic | diamagnetic volume magnetic susceptibility | 1.90772×10^-6 | -1.93×10^-5 | -1.22×10^-5 mass magnetic susceptibility | 1.335×10^-6 m^3/kg (cubic meters per kilogram) | -4×10^-9 m^3/kg (cubic meters per kilogram) | -6.2×10^-9 m^3/kg (cubic meters per kilogram) molar magnetic susceptibility | 4.27184×10^-8 m^3/mol (cubic meters per mole) | -3.16×10^-10 m^3/mol (cubic meters per mole) | -1.99×10^-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) | (yellow) refractive index | 1.000271 | 1.000895 | 1.001111

Reactivity

| oxygen | selenium | sulfur valence | 2 | 6 | 6 electronegativity | 3.44 | 2.55 | 2.58 electron affinity | 141 kJ/mol (kilojoules per mole) | 195 kJ/mol (kilojoules per mole) | 200 kJ/mol (kilojoules per mole) first ionization energy | 1313.9 kJ/mol (kilojoules per mole) | 941 kJ/mol (kilojoules per mole) | 999.6 kJ/mol (kilojoules per mole) ionization energies | 1313.9 kJ/mol | 3388.3 kJ/mol | 5300.5 kJ/mol | 7469.2 kJ/mol | 10989.5 kJ/mol | 13326.5 kJ/mol | 71330 kJ/mol | 84078 kJ/mol | 941 kJ/mol | 2045 kJ/mol | 2973.7 kJ/mol | 4144 kJ/mol | 6590 kJ/mol | 7880 kJ/mol | 14990 kJ/mol | 999.6 kJ/mol | 2252 kJ/mol | 3357 kJ/mol | 4556 kJ/mol | 7004.3 kJ/mol | 8495.8 kJ/mol | 27107 kJ/mol | 31719 kJ/mol | 36621 kJ/mol | 43177 kJ/mol
| oxygen | selenium | sulfur valence | 2 | 6 | 6 electronegativity | 3.44 | 2.55 | 2.58 electron affinity | 141 kJ/mol (kilojoules per mole) | 195 kJ/mol (kilojoules per mole) | 200 kJ/mol (kilojoules per mole) first ionization energy | 1313.9 kJ/mol (kilojoules per mole) | 941 kJ/mol (kilojoules per mole) | 999.6 kJ/mol (kilojoules per mole) ionization energies | 1313.9 kJ/mol | 3388.3 kJ/mol | 5300.5 kJ/mol | 7469.2 kJ/mol | 10989.5 kJ/mol | 13326.5 kJ/mol | 71330 kJ/mol | 84078 kJ/mol | 941 kJ/mol | 2045 kJ/mol | 2973.7 kJ/mol | 4144 kJ/mol | 6590 kJ/mol | 7880 kJ/mol | 14990 kJ/mol | 999.6 kJ/mol | 2252 kJ/mol | 3357 kJ/mol | 4556 kJ/mol | 7004.3 kJ/mol | 8495.8 kJ/mol | 27107 kJ/mol | 31719 kJ/mol | 36621 kJ/mol | 43177 kJ/mol
Reactivity
Reactivity

Atomic properties

| oxygen | selenium | sulfur term symbol | ^3P_2 | ^3P_2 | ^3P_2 atomic radius | 60 pm | 115 pm | 100 pm covalent radius | 66 pm | 120 pm | 105 pm van der Waals radius | 152 pm | 190 pm | 180 pm (electronic ground state properties)
| oxygen | selenium | sulfur term symbol | ^3P_2 | ^3P_2 | ^3P_2 atomic radius | 60 pm | 115 pm | 100 pm covalent radius | 66 pm | 120 pm | 105 pm van der Waals radius | 152 pm | 190 pm | 180 pm (electronic ground state properties)

Abundances

| oxygen | selenium | sulfur universe abundance | 1 mass% | 3×10^-6 mass% | 0.05 mass% solar abundance | 0.9 mass% | | 0.04 mass% meteorite abundance | 40 mass% | 0.0013 mass% | 4 mass% crust abundance | 46 mass% | 5×10^-6 mass% | 0.042 mass% ocean abundance | 86 mass% | 4.5×10^-8 mass% | 0.093 mass% human abundance | 61 mass% | 5×10^-6 mass% | 0.2 mass% universe molar abundance | 0.08 mol% | 5×10^-8 mol% | 0.002 mol% solar molar abundance | 0.07 mol% | | 9.9×10^-4 mol% meteorite molar abundance | 48 mol% | 2.9×10^-4 mol% | 2.2 mol% ocean molar abundance | 33 mol% | 3.5×10^-9 mol% | 0.018 mol% crust molar abundance | 60 mol% | 9.9×10^-7 mol% | 0.027 mol% human molar abundance | 24 mol% | 4×10^-7 mol% | 0.039 mol%
| oxygen | selenium | sulfur universe abundance | 1 mass% | 3×10^-6 mass% | 0.05 mass% solar abundance | 0.9 mass% | | 0.04 mass% meteorite abundance | 40 mass% | 0.0013 mass% | 4 mass% crust abundance | 46 mass% | 5×10^-6 mass% | 0.042 mass% ocean abundance | 86 mass% | 4.5×10^-8 mass% | 0.093 mass% human abundance | 61 mass% | 5×10^-6 mass% | 0.2 mass% universe molar abundance | 0.08 mol% | 5×10^-8 mol% | 0.002 mol% solar molar abundance | 0.07 mol% | | 9.9×10^-4 mol% meteorite molar abundance | 48 mol% | 2.9×10^-4 mol% | 2.2 mol% ocean molar abundance | 33 mol% | 3.5×10^-9 mol% | 0.018 mol% crust molar abundance | 60 mol% | 9.9×10^-7 mol% | 0.027 mol% human molar abundance | 24 mol% | 4×10^-7 mol% | 0.039 mol%

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