krypton vs fluorine

krypton (chemical element) | fluorine (chemical element)

Periodic table location

Images

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

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

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

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

| krypton | fluorine valence | 2 | 1 electronegativity | 3 | 3.98 electron affinity | 0 kJ/mol (kilojoules per mole) | 328 kJ/mol (kilojoules per mole) first ionization energy | 1350.8 kJ/mol (kilojoules per mole) | 1681 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

Reactivity

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

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

| krypton | fluorine half-life | (stable) | (stable) stable isotopes | Kr-84 (57%) | Kr-86 (17.3%) | Kr-82 (11.58%) | Kr-83 (11.49%) | Kr-80 (2.28%) | Kr-78 (0.35%) | F-19 (100%) nuclear spin | Kr-69: 5/2^- | Kr-70: 0^+ | Kr-71: 5/2^- | Kr-72: 0^+ | Kr-73: 3/2^- | Kr-74: 0^+ | Kr-75: 5/2^+ | Kr-76: 0^+ | Kr-77: 5/2^+ | Kr-78: 0^+ | Kr-79: 1/2^- | Kr-80: 0^+ | Kr-81: 7/2^+ | Kr-82: 0^+ | Kr-83: 9/2^+ | Kr-84: 0^+ | Kr-85: 9/2^+ | Kr-86: 0^+ | Kr-87: 5/2^+ | Kr-88: 0^+ | Kr-89: 3/2^+ | Kr-90: 0^+ | Kr-91: 5/2^+ | Kr-92: 0^+ | Kr-93: 1/2^+ | Kr-94: 0^+ | Kr-95: 1/2^+ | Kr-96: 0^+ | Kr-97: 3/2^+ | Kr-98: 0^+ | Kr-99: 3/2^+ | Kr-100: 0^+ | F-14: 2^- | F-15: 1/2^+ | F-16: 0^- | F-17: 5/2^+ | F-18: 1^+ | F-19: 1/2^+ | F-20: 2^+ | F-21: 5/2^+ | F-22: 4^+ | F-23: 5/2^+ | F-25: 5/2^+ | F-26: 1^+ | F-27: 5/2^+ | F-29: 5/2^+ | F-31: 5/2^+ unstable isotopes | Kr-81 (0.229 Myr) | Kr-85 (10.731 yr) | Kr-79 (35.04 h) | Kr-76 (14.8 h) | Kr-88 (170 min) | Kr-87 (76.33 min) | Kr-77 (74.33 min) | Kr-74 (11.5 min) | Kr-75 (4.28 min) | Kr-89 (189 s) | Kr-90 (32.32 s) | Kr-73 (27.3 s) | Kr-72 (17.1 s) | Kr-91 (8.57 s) | Kr-92 (1.84 s) | Kr-93 (1.286 s) | Kr-94 (212 ms) | Kr-95 (114 ms) | Kr-71 (100 ms) | Kr-96 (80 ms) | Kr-97 (63 ms) | Kr-70 (52 ms) | Kr-98 (46 ms) | Kr-99 (40 ms) | Kr-69 (32 ms) | Kr-100 (300 ns) | F-18 (109.771 min) | F-17 (64.49 s) | F-20 (11.07 s) | F-22 (4.23 s) | F-21 (4.158 s) | F-23 (2.23 s) | F-24 (390 ms) | F-25 (50 ms) | F-26 (9.6 ms) | F-27 (5 ms) | F-29 (2.5 ms) | F-30 (260 ns) | F-31 (250 ns) | F-28 (40 ns) | F-16 (11 zs) | F-15 (0.46 zs) neutron cross-section | 25 b | 0.0096 b neutron mass absorption | 0.013 m^2/kg | 2×10^-5 m^2/kg

| krypton | fluorine CAS number | 7439-90-9 | 7782-41-4 PubChem CID number | 5416 | 24524 Gmelin number | 16201 | 16281