krypton vs fluorine vs neon vs nitrogen

krypton (chemical element) | fluorine (chemical element) | neon (chemical element) | nitrogen (chemical element)

Periodic table location

Images

| atomic symbol | atomic number | short electronic configuration krypton | Kr | 36 | [Ar]4s^23d^104p^6 fluorine | F | 9 | [He]2s^22p^5 neon | Ne | 10 | [He]2s^22p^6 nitrogen | N | 7 | [He]2s^22p^3 | Aufbau diagram | block | group krypton | 4p 3d 4s | p | 18 fluorine | 2p 2s | p | 17 neon | 2p 2s | p | 18 nitrogen | 2p 2s | p | 15 | period | atomic mass | half-life krypton | 4 | 83.798 u | (stable) fluorine | 2 | 18.998403163 u | (stable) neon | 2 | 20.1797 u | (stable) nitrogen | 2 | 14.007 u | (stable)

phase at STP | all | gas melting point | median | -214.9 °C | highest | -157.36 °C (krypton) | lowest | -248.59 °C (neon) | distribution | boiling point | median | -191.95 °C | highest | -153.22 °C (krypton) | lowest | -246.08 °C (neon) | distribution | critical temperature | median | 135.17 K | highest | 209.41 K (krypton) | lowest | 44.4 K (neon) | distribution | critical pressure | median | 4.28 MPa | highest | 5.5 MPa (krypton) | lowest | 2.76 MPa (neon) | distribution | molar heat of fusion | median | 0.35 kJ/mol | highest | 1.64 kJ/mol (krypton) | lowest | 0.26 kJ/mol (fluorine) molar heat of vaporization | median | 3.03 kJ/mol | highest | 9.02 kJ/mol (krypton) | lowest | 1.75 kJ/mol (neon) | distribution | specific heat at STP | median | 927 J/(kg K) | highest | 1040 J/(kg K) (nitrogen) | lowest | 248.05 J/(kg K) (krypton) | distribution | adiabatic index | all | 7/5 | 5/3 (properties at standard conditions)

density | median | 0.001473 g/cm^3 | highest | 0.00375 g/cm^3 (krypton) | lowest | 9×10^-4 g/cm^3 (neon) | distribution | molar volume | median | 16800 cm^3/mol | highest | 22400 cm^3/mol (neon) | lowest | 11200 cm^3/mol (nitrogen) refractive index | median | 1.000246 | highest | 1.000427 (krypton) | lowest | 1.000067 (neon) sound speed | median | 936 m/s | highest | 1120 m/s (krypton) | lowest | 333.6 m/s (nitrogen) | distribution | thermal conductivity | median | 0.0268 W/(m K) | highest | 0.0491 W/(m K) (neon) | lowest | 0.00943 W/(m K) (krypton) | distribution | (properties at standard conditions)

valence | median | 1.5 | highest | 3 (nitrogen) | lowest | 0 (neon) | distribution | electronegativity | median | 3 | highest | 3.98 (fluorine) | lowest | 3 (krypton) electron affinity | median | 3.5 kJ/mol (kilojoules per mole) | highest | 328 kJ/mol (kilojoules per mole) (fluorine) | lowest | 0 kJ/mol (kilojoules per mole) (krypton and neon) first ionization energy | median | 1541.7 kJ/mol (kilojoules per mole) | highest | 2080.7 kJ/mol (kilojoules per mole) (neon) | lowest | 1350.8 kJ/mol (kilojoules per mole) (krypton) | distribution |

term symbol | all | ^1S_0 | ^2P_(3/2) | ^4S_(3/2) atomic radius | median | 57 pm | highest | 88 pm (krypton) | lowest | 38 pm (neon) | distribution | covalent radius | median | 64 pm | highest | 116 pm (krypton) | lowest | 57 pm (fluorine and neon) | distribution | van der Waals radius | median | 155 pm | highest | 202 pm (krypton) | lowest | 147 pm (fluorine) (electronic ground state properties)

universe abundance | median | 0.05 mass% | highest | 0.13 mass% (neon) | lowest | 4×10^-6 mass% (krypton) solar abundance | median | 0.1 mass% | highest | 0.1 mass% (neon and nitrogen) | lowest | 5×10^-5 mass% (fluorine) crust abundance | median | 0.001 mass% | highest | 0.054 mass% (fluorine) | lowest | 1.5×10^-8 mass% (krypton) ocean abundance | median | 2.5×10^-5 mass% | highest | 1.3×10^-4 mass% (fluorine) | lowest | 1.2×10^-8 mass% (neon) | distribution | universe molar abundance | median | 0.004 mol% | highest | 0.009 mol% (nitrogen) | lowest | 6×10^-8 mol% (krypton) solar molar abundance | median | 0.007 mol% | highest | 0.009 mol% (nitrogen) | lowest | 3×10^-6 mol% (fluorine) | distribution | ocean molar abundance | median | 1.1×10^-5 mol% | highest | 4.2×10^-5 mol% (fluorine) | lowest | 1.6×10^-9 mol% (krypton) | distribution | crust molar abundance | median | 0.0015 mol% | highest | 0.059 mol% (fluorine) | lowest | 4×10^-9 mol% (krypton)