Input interpretation
hydrogen (chemical element) | krypton (chemical element) | nitrogen (chemical element)
Periodic table location
Periodic table location
Images
Images
Basic elemental properties
| hydrogen | krypton | nitrogen atomic symbol | H | Kr | N atomic number | 1 | 36 | 7 short electronic configuration | 1s^1 | [Ar]4s^23d^104p^6 | [He]2s^22p^3 Aufbau diagram | 1s | 4p 3d 4s | 2p 2s block | s | p | p group | 1 | 18 | 15 period | 1 | 4 | 2 atomic mass | 1.008 u | 83.798 u | 14.007 u half-life | (stable) | (stable) | (stable)
Thermodynamic properties
| hydrogen | krypton | nitrogen phase at STP | gas | gas | gas melting point | -259.14 °C | -157.36 °C | -210.1 °C boiling point | -252.87 °C | -153.22 °C | -195.79 °C critical temperature | 32.97 K | 209.41 K | 126.21 K critical pressure | 1.293 MPa | 5.5 MPa | 3.39 MPa molar heat of fusion | 0.558 kJ/mol | 1.64 kJ/mol | 0.36 kJ/mol molar heat of vaporization | 0.452 kJ/mol | 9.02 kJ/mol | 2.79 kJ/mol specific heat at STP | 14300 J/(kg K) | 248.05 J/(kg K) | 1040 J/(kg K) adiabatic index | 7/5 | 5/3 | 7/5 (properties at standard conditions)
Material properties
| hydrogen | krypton | nitrogen density | 8.99×10^-5 g/cm^3 | 0.00375 g/cm^3 | 0.001251 g/cm^3 molar volume | 11200 cm^3/mol | 22300 cm^3/mol | 11200 cm^3/mol refractive index | 1.000132 | 1.000427 | 1.000298 sound speed | 1270 m/s | 1120 m/s | 333.6 m/s thermal conductivity | 0.1805 W/(m K) | 0.00943 W/(m K) | 0.02583 W/(m K) (properties at standard conditions)
Electromagnetic properties
| hydrogen | krypton | nitrogen magnetic type | diamagnetic | diamagnetic | diamagnetic volume magnetic susceptibility | -2.23×10^-9 | -1.65×10^-8 | -6.8×10^-9 mass magnetic susceptibility | -2.48×10^-8 m^3/kg (cubic meters per kilogram) | -4.4×10^-9 m^3/kg (cubic meters per kilogram) | -5.4×10^-9 m^3/kg (cubic meters per kilogram) molar magnetic susceptibility | -4.999×10^-11 m^3/mol (cubic meters per mole) | -3.69×10^-10 m^3/mol (cubic meters per mole) | -1.5×10^-10 m^3/mol (cubic meters per mole) color | (colorless) | (colorless) | (colorless) refractive index | 1.000132 | 1.000427 | 1.000298
Reactivity
| hydrogen | krypton | nitrogen valence | 1 | 2 | 3 electronegativity | 2.2 | 3 | 3.04 electron affinity | 72.8 kJ/mol (kilojoules per mole) | 0 kJ/mol (kilojoules per mole) | 7 kJ/mol (kilojoules per mole) first ionization energy | 1312 kJ/mol (kilojoules per mole) | 1350.8 kJ/mol (kilojoules per mole) | 1402.3 kJ/mol (kilojoules per mole) ionization energies | 1312 kJ/mol | 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 | 1402.3 kJ/mol | 2856 kJ/mol | 4578.1 kJ/mol | 7475 kJ/mol | 9444.9 kJ/mol | 53266.6 kJ/mol | 64360 kJ/mol
Reactivity
Atomic properties
| hydrogen | krypton | nitrogen term symbol | ^2S_(1/2) | ^1S_0 | ^4S_(3/2) atomic radius | 25 pm | 88 pm | 65 pm covalent radius | 31 pm | 116 pm | 71 pm van der Waals radius | 120 pm | 202 pm | 155 pm (electronic ground state properties)
Abundances
| hydrogen | krypton | nitrogen universe abundance | 75 mass% | 4×10^-6 mass% | 0.1 mass% solar abundance | 75 mass% | | 0.1 mass% meteorite abundance | 2.4 mass% | | 0.14 mass% crust abundance | 0.15 mass% | 1.5×10^-8 mass% | 0.002 mass% ocean abundance | 11 mass% | 2.1×10^-8 mass% | 5×10^-5 mass% human abundance | 10 mass% | | 2.6 mass% universe molar abundance | 93 mol% | 6×10^-8 mol% | 0.009 mol% solar molar abundance | 93 mol% | | 0.009 mol% meteorite molar abundance | 17 mol% | | 0.14 mol% ocean molar abundance | 66 mol% | 1.6×10^-9 mol% | 2.2×10^-5 mol% crust molar abundance | 3.1 mol% | 4×10^-9 mol% | 0.0029 mol% human molar abundance | 62 mol% | | 1.2 mol%
Nuclear properties
| hydrogen | krypton | nitrogen half-life | (stable) | (stable) | (stable) stable isotopes | H-1 (99.985%) | H-2 (1.5×10^-4) | Kr-84 (57%) | Kr-86 (17.3%) | Kr-82 (11.58%) | Kr-83 (11.49%) | Kr-80 (2.28%) | Kr-78 (0.35%) | N-14 (99.634%) | N-15 (0.366%) nuclear spin | H-1: 1/2^+ | H-2: 1^+ | H-3: 1/2^+ | H-4: 2^- | H-5: 1/2^+ | H-6: 2^- | H-7: 1/2^+ | 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^+ | N-10: 2^- | N-11: 1/2^+ | N-12: 1^+ | N-13: 1/2^- | N-14: 1^+ | N-15: 1/2^- | N-16: 2^- | N-17: 1/2^- | N-18: 1^- | N-19: 1/2^- | N-21: 1/2^- | N-23: 1/2^- | N-25: 1/2^- unstable isotopes | H-3 (12.32 yr) | H-6 (0.29 zs) | H-4 (0.139 zs) | H-5 (0.08 zs) | H-7 (0.023 zs) | 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) | N-13 (9.965 min) | N-16 (7.13 s) | N-17 (4.173 s) | N-18 (624 ms) | N-19 (271 ms) | N-20 (130 ms) | N-21 (85 ms) | N-22 (24 ms) | N-23 (14.5 ms) | N-12 (11 ms) | N-25 (260 ns) | N-24 (52 ns) | N-11 (0.59 zs) | N-10 (0.2 zs) neutron cross-section | 0.332 b | 25 b | 1.91 b neutron mass absorption | 0.011 m^2/kg | 0.013 m^2/kg | 0.0048 m^2/kg
Identifiers
| hydrogen | krypton | nitrogen CAS number | 1333-74-0 | 7439-90-9 | 7727-37-9 PubChem CID number | 783 | 5416 | 947 Gmelin number | | 16201 |