Content-Type | image/gif |
---|---|
Content-Length | 482.40 kB |
Size | 512x512 |
1st ionization energy | 14.00 eV | 0.85% |
---|---|---|
appearance | Colorless gas | 7.63% |
atomic mass | 83.798 u | 0.85% |
atomic number | 36 | 0.85% |
atomic radius | 202 picometers (van der Waals radius) | 4.24% |
boiling point | 119.9 K or -153.4 °C or -244.1 °F | 0.85% |
cas number | 7439-90-9 | 0.85% |
cas number of (cl2) | - | 99.15% |
category | Noble gases | 5.08% |
crystal structure | FCC (Face centered cubic) | 11.02% |
density | 3.75 g/L | 0.85% |
electronegativity | 3.00 (Pauling scale) | 0.85% |
electronic configuration | [Ar] 3d10 4s2 4p6 | 0.85% |
electrons | 36 | 0.85% |
electrons arrangement | 2, 8, 18, 8 | 0.85% |
main isotopes | 84Kr | 0.85% |
melting point | 115.7 K or -157.3 °C or -251.2 °F | 0.85% |
neutrons | 48 | 1.69% |
position | Group: 18, Period: 4, Block: p | 0.85% |
rarity | SPINNIN'IN | 33.33% |
state | Gas | 9.32% |
sublimation point | - | 99.15% |
symbol | Kr | 0.85% |
valence electrons | 8 | 4.24% |
who discovered | William Ramsay and Morris Travers (in 1898) | 0.85% |
Total Rarity Score: 1933.8
Rarity: #61/354