Content-Type | image/png |
---|---|
Content-Length | 2.15 kB |
Size | 512x512 |
1st ionization energy | 12.130 eV | 0.85% |
---|---|---|
appearance | Colorless gas | 7.63% |
atomic mass | 131.29 u | 0.85% |
atomic number | 54 | 0.85% |
atomic radius | 216 picometers (van der Waals radius) | 3.39% |
boiling point | 165 K or -108 °C or -162.5 °F | 0.85% |
cas number | 7440-63-3 | 0.85% |
category | Noble gases | 5.08% |
crystal structure | FCC (Face centered cubic) | 11.02% |
density | 5.9 g/L | 0.85% |
electronic configuration | [Kr] 4d10 5s2 5p6 | 0.85% |
electrons | 54 | 0.85% |
electrons arrangement | 2, 8, 18, 18, 8 | 0.85% |
main isotopes | 129Xe (26.4%) and 132Xe (26.9%) | 0.85% |
melting point | 161.4 K or -111.7 °C or -169.1 °F | 0.85% |
neutrons | 77 | 0.85% |
position | Group: 18, Period: 5, Block: p | 0.85% |
rarity | SPINNIN'IN | 33.33% |
state | Gas | 9.32% |
symbol | Xe | 0.85% |
valence electrons | 8 | 4.24% |
who discovered | William Ramsey and Morris Travers (in 1898) | 1.69% |
Total Rarity Score: 1819.68
Rarity: #78/354