Symbol | Kr |
---|---|
Atomic Number | 36 |
Atomic Weight | 83.798 |
Group |
18 (noble gases or helium family/neon family)
VIII (IUPAC), VIIIA (CAS)
Gas, Diamagnetic, Noble Gas, Nonmetal, Stable, Natural
|
Period | 4 |
Block | p |
Density | 0.00374 g/cm3 |
---|---|
Atomic Volume | 32.2 cm3/mole |
Atomic Radius | 1.03 angstroms |
Covalent Radius | 110 pm |
Crust Abundance | 1.5E-8% |
Crystal Structure | Cubic: Face centered |
Color | Colorless |
Melting Point | -157.0 °C |
---|---|
Boiling Point | -152.0 °C |
Heat of Fusion | 1.638 kJ/mol |
Heat of Vaporization | 9.029 kJ/mol |
Electronegativity | 3.0 (Pauling Scale) |
---|---|
Electron Affinity | 0 kJ/mol |
1st Ionization Energy | 1356 kJ/mol |
2. Ionization Energy | 2350.4 kJ/mol |
3. Ionization Energy | 3565 kJ/mol |
4. Ionization Energy | 5070 kJ/mol |
5. Ionization Energy | 6240 kJ/mol |
6. Ionization Energy | 7570 kJ/mol |
7. Ionization Energy | 10710 kJ/mol |
8. Ionization Energy | 12138 kJ/mol |
9. Ionization Energy | 22274 kJ/mol |
10. Ionization Energy | 25880 kJ/mol |
11. Ionization Energy | 29700 kJ/mol |
12. Ionization Energy | 33800 kJ/mol |
13. Ionization Energy | 37700 kJ/mol |
14. Ionization Energy | 43100 kJ/mol |
15. Ionization Energy | 47500 kJ/mol |
16. Ionization Energy | 52200 kJ/mol |
17. Ionization Energy | 57100 kJ/mol |
18. Ionization Energy | 61800 kJ/mol |
19. Ionization Energy | 75800 kJ/mol |
20. Ionization Energy | 80400 kJ/mol |
21. Ionization Energy | 85300 kJ/mol |
22. Ionization Energy | 90400 kJ/mol |
23. Ionization Energy | 96300 kJ/mol |
24. Ionization Energy | 101400 kJ/mol |
25. Ionization Energy | 111100 kJ/mol |
26. Ionization Energy | 116290 kJ/mol |
27. Ionization Energy | 282500 kJ/mol |
28. Ionization Energy | 296200 kJ/mol |
29. Ionization Energy | 311400 kJ/mol |
30. Ionization Energy | 326200 kJ/mol |
Specific Heat Capacity | 0.248 J g−1 K−1 |
Thermal Conductivity | 0.00949 W·m−1·K−1 |
Oxidation States | 0 |
---|---|
Electrons Per Shell | 2 8 18 8 |
Electron Configuration | [Ar] 3d10 4s2 4p6 |
1s2 2s2 2p6 3s2 3p6 3d10 4s2 4p6 | |
Orbital Diagram
1s ↿⇂ 2s ↿⇂ 2p ↿⇂ ↿⇂ ↿⇂ 3s ↿⇂ 3p ↿⇂ ↿⇂ ↿⇂ 3d ↿⇂ ↿⇂ ↿⇂ ↿⇂ ↿⇂ 4s ↿⇂ 4p ↿⇂ ↿⇂ ↿⇂ 4d 4f |
Radioactive | No |
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Afrikaans | Kripton | |
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العربية | كربتون | |
Armãneashte | Cripton | |
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हिन्दी | क्रिप्टन | |
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italiano | Kripto | |
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Malti | Kripton | |
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Võro | Krüptoon | |
中文 | 氪 |