oxygen vs xenon vs fluorine vs neon

oxygen (chemical element) | xenon (chemical element) | fluorine (chemical element) | neon (chemical element)

Periodic table location

Images

| atomic symbol | atomic number | short electronic configuration oxygen | O | 8 | [He]2s^22p^4 xenon | Xe | 54 | [Kr]5s^24d^105p^6 fluorine | F | 9 | [He]2s^22p^5 neon | Ne | 10 | [He]2s^22p^6 | Aufbau diagram | block | group oxygen | 2p 2s | p | 16 xenon | 5p 4d 5s | p | 18 fluorine | 2p 2s | p | 17 neon | 2p 2s | p | 18 | period | atomic mass | half-life oxygen | 2 | 15.999 u | (stable) xenon | 5 | 131.293 u | (stable) fluorine | 2 | 18.998403163 u | (stable) neon | 2 | 20.1797 u | (stable)

phase at STP | all | gas melting point | median | -218.9 °C | highest | -111.8 °C (xenon) | lowest | -248.59 °C (neon) boiling point | median | -185.5 °C | highest | -108 °C (xenon) | lowest | -246.08 °C (neon) | distribution | critical temperature | median | 149.36 K | highest | 289.77 K (xenon) | lowest | 44.4 K (neon) | distribution | critical pressure | median | 5.108 MPa | highest | 5.841 MPa (xenon) | lowest | 2.76 MPa (neon) molar heat of fusion | median | 0.3 kJ/mol | highest | 2.3 kJ/mol (xenon) | lowest | 0.222 kJ/mol (oxygen) molar heat of vaporization | median | 3.34 kJ/mol | highest | 12.64 kJ/mol (xenon) | lowest | 1.75 kJ/mol (neon) | distribution | specific heat at STP | median | 871 J/(kg K) | highest | 1030 J/(kg K) (neon) | lowest | 158.32 J/(kg K) (xenon) | distribution | adiabatic index | all | 7/5 | 5/3 (properties at standard conditions)

density | median | 0.001562 g/cm^3 | highest | 0.0059 g/cm^3 (xenon) | lowest | 9×10^-4 g/cm^3 (neon) molar volume | median | 17000 cm^3/mol | highest | 22400 cm^3/mol (neon) | lowest | 11200 cm^3/mol (oxygen) refractive index | median | 1.000233 | highest | 1.000702 (xenon) | lowest | 1.000067 (neon) sound speed | median | 936 m/s | highest | 1090 m/s (xenon) | lowest | 317.5 m/s (oxygen) | distribution | thermal conductivity | median | 0.0271 W/(m K) | highest | 0.0491 W/(m K) (neon) | lowest | 0.00565 W/(m K) (xenon) | distribution | (properties at standard conditions)

valence | median | 1.5 | highest | 6 (xenon) | lowest | 0 (neon) | distribution | electronegativity | median | 3.44 | highest | 3.98 (fluorine) | lowest | 2.6 (xenon) | distribution | electron affinity | median | 70.5 kJ/mol (kilojoules per mole) | highest | 328 kJ/mol (kilojoules per mole) (fluorine) | lowest | 0 kJ/mol (kilojoules per mole) (xenon and neon) | distribution | first ionization energy | median | 1497.5 kJ/mol (kilojoules per mole) | highest | 2080.7 kJ/mol (kilojoules per mole) (neon) | lowest | 1170.4 kJ/mol (kilojoules per mole) (xenon) | distribution |

term symbol | all | ^1S_0 | ^2P_(3/2) | ^3P_2 atomic radius | median | 55 pm | highest | 108 pm (xenon) | lowest | 38 pm (neon) | distribution | covalent radius | median | 62 pm | highest | 140 pm (xenon) | lowest | 57 pm (fluorine and neon) van der Waals radius | median | 153 pm | highest | 216 pm (xenon) | lowest | 147 pm (fluorine) | distribution | (electronic ground state properties)

universe abundance | median | 0.065 mass% | highest | 1 mass% (oxygen) | lowest | 1×10^-6 mass% (xenon) solar abundance | median | 0.1 mass% | highest | 0.9 mass% (oxygen) | lowest | 5×10^-5 mass% (fluorine) crust abundance | median | 0.027 mass% | highest | 46 mass% (oxygen) | lowest | 2×10^-9 mass% (xenon) ocean abundance | median | 6.5×10^-5 mass% | highest | 86 mass% (oxygen) | lowest | 5×10^-10 mass% (xenon) universe molar abundance | median | 0.004 mol% | highest | 0.08 mol% (oxygen) | lowest | 9×10^-9 mol% (xenon) solar molar abundance | median | 0.007 mol% | highest | 0.07 mol% (oxygen) | lowest | 3×10^-6 mol% (fluorine) ocean molar abundance | median | 2.1×10^-5 mol% | highest | 33 mol% (oxygen) | lowest | 2.4×10^-11 mol% (xenon) crust molar abundance | median | 0.03 mol% | highest | 60 mol% (oxygen) | lowest | 3×10^-10 mol% (xenon)