chlorine vs nitrogen vs krypton vs argon

chlorine (chemical element) | nitrogen (chemical element) | krypton (chemical element) | argon (chemical element)

Periodic table location

Images

| atomic symbol | atomic number | short electronic configuration chlorine | Cl | 17 | [Ne]3s^23p^5 nitrogen | N | 7 | [He]2s^22p^3 krypton | Kr | 36 | [Ar]4s^23d^104p^6 argon | Ar | 18 | [Ne]3s^23p^6 | Aufbau diagram | block | group chlorine | 3p 3s | p | 17 nitrogen | 2p 2s | p | 15 krypton | 4p 3d 4s | p | 18 argon | 3p 3s | p | 18 | period | atomic mass | half-life chlorine | 3 | 35.45 u | (stable) nitrogen | 2 | 14.007 u | (stable) krypton | 4 | 83.798 u | (stable) argon | 3 | 39.948 u | (stable)

phase at STP | all | gas melting point | median | -173.3 °C | highest | -101.5 °C (chlorine) | lowest | -210.1 °C (nitrogen) | distribution | boiling point | median | -169.5 °C | highest | -34.04 °C (chlorine) | lowest | -195.79 °C (nitrogen) critical temperature | median | 180.14 K | highest | 416.9 K (chlorine) | lowest | 126.21 K (nitrogen) | distribution | critical pressure | median | 5.2 MPa | highest | 7.991 MPa (chlorine) | lowest | 3.39 MPa (nitrogen) | distribution | molar heat of fusion | median | 1.41 kJ/mol | highest | 3.2 kJ/mol (chlorine) | lowest | 0.36 kJ/mol (nitrogen) | distribution | molar heat of vaporization | median | 7.8 kJ/mol | highest | 10.2 kJ/mol (chlorine) | lowest | 2.79 kJ/mol (nitrogen) | distribution | specific heat at STP | median | 499.3 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 | 0.002499 g/cm^3 | highest | 0.00375 g/cm^3 (krypton) | lowest | 0.001251 g/cm^3 (nitrogen) molar volume | median | 16800 cm^3/mol | highest | 22390 cm^3/mol (argon) | lowest | 11030 cm^3/mol (chlorine) refractive index | median | 1.000363 | highest | 1.000773 (chlorine) | lowest | 1.000281 (argon) sound speed | median | 326 m/s | highest | 1120 m/s (krypton) | lowest | 206 m/s (chlorine) | distribution | thermal conductivity | median | 0.0136 W/(m K) | highest | 0.02583 W/(m K) (nitrogen) | lowest | 0.0089 W/(m K) (chlorine) | distribution | (properties at standard conditions)

valence | median | 2.5 | highest | 5 (chlorine) | lowest | 0 (argon) | distribution | electronegativity | median | 3.04 | highest | 3.16 (chlorine) | lowest | 3 (krypton) electron affinity | median | 3.5 kJ/mol (kilojoules per mole) | highest | 349 kJ/mol (kilojoules per mole) (chlorine) | lowest | 0 kJ/mol (kilojoules per mole) (krypton and argon) first ionization energy | median | 1376.6 kJ/mol (kilojoules per mole) | highest | 1520.6 kJ/mol (kilojoules per mole) (argon) | lowest | 1251.2 kJ/mol (kilojoules per mole) (chlorine) | distribution |

term symbol | all | ^1S_0 | ^2P_(3/2) | ^4S_(3/2) atomic radius | median | 80 pm | highest | 100 pm (chlorine) | lowest | 65 pm (nitrogen) | distribution | covalent radius | median | 104 pm | highest | 116 pm (krypton) | lowest | 71 pm (nitrogen) van der Waals radius | median | 181 pm | highest | 202 pm (krypton) | lowest | 155 pm (nitrogen) | distribution | (electronic ground state properties)

universe abundance | median | 0.01 mass% | highest | 0.1 mass% (nitrogen) | lowest | 4×10^-6 mass% (krypton) solar abundance | median | 0.007 mass% | highest | 0.1 mass% (nitrogen) | lowest | 8×10^-4 mass% (chlorine) crust abundance | median | 0.0011 mass% | highest | 0.017 mass% (chlorine) | lowest | 1.5×10^-8 mass% (krypton) ocean abundance | median | 4.7×10^-5 mass% | highest | 2 mass% (chlorine) | lowest | 2.1×10^-8 mass% (krypton) universe molar abundance | median | 3×10^-4 mol% | highest | 0.009 mol% (nitrogen) | lowest | 6×10^-8 mol% (krypton) solar molar abundance | median | 2×10^-4 mol% | highest | 0.009 mol% (nitrogen) | lowest | 3×10^-5 mol% (chlorine) ocean molar abundance | median | 1.5×10^-5 mol% | highest | 0.35 mol% (chlorine) | lowest | 1.6×10^-9 mol% (krypton) crust molar abundance | median | 0.0015 mol% | highest | 0.0099 mol% (chlorine) | lowest | 4×10^-9 mol% (krypton) | distribution |