krypton vs fluorine vs neon

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

Periodic table location

Images

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

| krypton | fluorine | neon phase at STP | gas | gas | gas melting point | -157.36 °C | -219.6 °C | -248.59 °C boiling point | -153.22 °C | -188.12 °C | -246.08 °C critical temperature | 209.41 K | 144.13 K | 44.4 K critical pressure | 5.5 MPa | 5.172 MPa | 2.76 MPa molar heat of fusion | 1.64 kJ/mol | 0.26 kJ/mol | 0.34 kJ/mol molar heat of vaporization | 9.02 kJ/mol | 3.27 kJ/mol | 1.75 kJ/mol specific heat at STP | 248.05 J/(kg K) | 824 J/(kg K) | 1030 J/(kg K) adiabatic index | 5/3 | 7/5 | 5/3 (properties at standard conditions)

| krypton | fluorine | neon density | 0.00375 g/cm^3 | 0.001696 g/cm^3 | 9×10^-4 g/cm^3 molar volume | 22300 cm^3/mol | 11200 cm^3/mol | 22400 cm^3/mol refractive index | 1.000427 | 1.000195 | 1.000067 sound speed | 1120 m/s | | 936 m/s thermal conductivity | 0.00943 W/(m K) | 0.0277 W/(m K) | 0.0491 W/(m K) (properties at standard conditions)

| krypton | fluorine | neon magnetic type | diamagnetic | | diamagnetic volume magnetic susceptibility | -1.65×10^-8 | | -3.69×10^-9 mass magnetic susceptibility | -4.4×10^-9 m^3/kg (cubic meters per kilogram) | | -4.1×10^-9 m^3/kg (cubic meters per kilogram) molar magnetic susceptibility | -3.69×10^-10 m^3/mol (cubic meters per mole) | | -8.27×10^-11 m^3/mol (cubic meters per mole) color | (colorless) | (colorless) | (colorless) refractive index | 1.000427 | 1.000195 | 1.000067

| krypton | fluorine | neon valence | 2 | 1 | 0 electronegativity | 3 | 3.98 | electron affinity | 0 kJ/mol (kilojoules per mole) | 328 kJ/mol (kilojoules per mole) | 0 kJ/mol (kilojoules per mole) first ionization energy | 1350.8 kJ/mol (kilojoules per mole) | 1681 kJ/mol (kilojoules per mole) | 2080.7 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 | 2080.7 kJ/mol | 3952.3 kJ/mol | 6122 kJ/mol | 9371 kJ/mol | 12177 kJ/mol | 15238 kJ/mol | 19999 kJ/mol | 23069.5 kJ/mol | 115379.5 kJ/mol | 131432 kJ/mol

Reactivity

| krypton | fluorine | neon term symbol | ^1S_0 | ^2P_(3/2) | ^1S_0 atomic radius | 88 pm | 50 pm | 38 pm covalent radius | 116 pm | 57 pm | 58 pm van der Waals radius | 202 pm | 147 pm | 154 pm (electronic ground state properties)

| krypton | fluorine | neon universe abundance | 4×10^-6 mass% | 4×10^-5 mass% | 0.13 mass% solar abundance | | 5×10^-5 mass% | 0.1 mass% meteorite abundance | | 0.0087 mass% | crust abundance | 1.5×10^-8 mass% | 0.054 mass% | 3×10^-7 mass% ocean abundance | 2.1×10^-8 mass% | 1.3×10^-4 mass% | 1.2×10^-8 mass% human abundance | | 0.0037 mass% | universe molar abundance | 6×10^-8 mol% | 3×10^-6 mol% | 0.008 mol% solar molar abundance | | 3×10^-6 mol% | 0.007 mol% meteorite molar abundance | | 0.0097 mol% | ocean molar abundance | 1.6×10^-9 mol% | 4.2×10^-5 mol% | 3.7×10^-9 mol% crust molar abundance | 4×10^-9 mol% | 0.059 mol% | 3×10^-7 mol% human molar abundance | | 0.0012 mol% |