krypton vs fluorine vs oxygen

krypton (chemical element) | fluorine (chemical element) | oxygen (chemical element)

Periodic table location

Images

| krypton | fluorine | oxygen atomic symbol | Kr | F | O atomic number | 36 | 9 | 8 short electronic configuration | [Ar]4s^23d^104p^6 | [He]2s^22p^5 | [He]2s^22p^4 Aufbau diagram | 4p 3d 4s | 2p 2s | 2p 2s block | p | p | p group | 18 | 17 | 16 period | 4 | 2 | 2 atomic mass | 83.798 u | 18.998403163 u | 15.999 u half-life | (stable) | (stable) | (stable)

| krypton | fluorine | oxygen phase at STP | gas | gas | gas melting point | -157.36 °C | -219.6 °C | -218.3 °C boiling point | -153.22 °C | -188.12 °C | -182.9 °C critical temperature | 209.41 K | 144.13 K | 154.59 K critical pressure | 5.5 MPa | 5.172 MPa | 5.043 MPa molar heat of fusion | 1.64 kJ/mol | 0.26 kJ/mol | 0.222 kJ/mol molar heat of vaporization | 9.02 kJ/mol | 3.27 kJ/mol | 3.41 kJ/mol specific heat at STP | 248.05 J/(kg K) | 824 J/(kg K) | 919 J/(kg K) adiabatic index | 5/3 | 7/5 | 7/5 (properties at standard conditions)

| krypton | fluorine | oxygen density | 0.00375 g/cm^3 | 0.001696 g/cm^3 | 0.001429 g/cm^3 molar volume | 22300 cm^3/mol | 11200 cm^3/mol | 11200 cm^3/mol refractive index | 1.000427 | 1.000195 | 1.000271 sound speed | 1120 m/s | | 317.5 m/s thermal conductivity | 0.00943 W/(m K) | 0.0277 W/(m K) | 0.02658 W/(m K) (properties at standard conditions)

| krypton | fluorine | oxygen magnetic type | diamagnetic | | paramagnetic volume magnetic susceptibility | -1.65×10^-8 | | 1.90772×10^-6 mass magnetic susceptibility | -4.4×10^-9 m^3/kg (cubic meters per kilogram) | | 1.335×10^-6 m^3/kg (cubic meters per kilogram) molar magnetic susceptibility | -3.69×10^-10 m^3/mol (cubic meters per mole) | | 4.27184×10^-8 m^3/mol (cubic meters per mole) color | (colorless) | (colorless) | (colorless) refractive index | 1.000427 | 1.000195 | 1.000271

| krypton | fluorine | oxygen valence | 2 | 1 | 2 electronegativity | 3 | 3.98 | 3.44 electron affinity | 0 kJ/mol (kilojoules per mole) | 328 kJ/mol (kilojoules per mole) | 141 kJ/mol (kilojoules per mole) first ionization energy | 1350.8 kJ/mol (kilojoules per mole) | 1681 kJ/mol (kilojoules per mole) | 1313.9 kJ/mol (kilojoules per mole) ionization energies | 1350.8 kJ/mol | 2350.4 kJ/mol | 3565 kJ/mol | 5070 kJ/mol | 6240 kJ/mol | 7570 kJ/mol | 10710 kJ/mol | 12138 kJ/mol | 22274 kJ/mol | 25880 kJ/mol | 29700 kJ/mol | 33800 kJ/mol | 37700 kJ/mol | 43100 kJ/mol | 47500 kJ/mol | 52200 kJ/mol | 57100 kJ/mol | 61800 kJ/mol | 75800 kJ/mol | 80400 kJ/mol | 85300 kJ/mol | 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 | 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

Reactivity

| krypton | fluorine | oxygen term symbol | ^1S_0 | ^2P_(3/2) | ^3P_2 atomic radius | 88 pm | 50 pm | 60 pm covalent radius | 116 pm | 57 pm | 66 pm van der Waals radius | 202 pm | 147 pm | 152 pm (electronic ground state properties)

| krypton | fluorine | oxygen universe abundance | 4×10^-6 mass% | 4×10^-5 mass% | 1 mass% solar abundance | | 5×10^-5 mass% | 0.9 mass% meteorite abundance | | 0.0087 mass% | 40 mass% crust abundance | 1.5×10^-8 mass% | 0.054 mass% | 46 mass% ocean abundance | 2.1×10^-8 mass% | 1.3×10^-4 mass% | 86 mass% human abundance | | 0.0037 mass% | 61 mass% universe molar abundance | 6×10^-8 mol% | 3×10^-6 mol% | 0.08 mol% solar molar abundance | | 3×10^-6 mol% | 0.07 mol% meteorite molar abundance | | 0.0097 mol% | 48 mol% ocean molar abundance | 1.6×10^-9 mol% | 4.2×10^-5 mol% | 33 mol% crust molar abundance | 4×10^-9 mol% | 0.059 mol% | 60 mol% human molar abundance | | 0.0012 mol% | 24 mol%