Content-Type | image/gif |
---|---|
Content-Length | 370.39 kB |
Size | 512x512 |
1st ionization energy | 13.61 eV | 1.69% |
---|---|---|
appearance | Colorless gas | 7.63% |
atomic mass | 15.999 u | 0.85% |
atomic number | 8 | 0.85% |
atomic radius | 152 picometers (van der Waals radius) | 0.85% |
boiling point | 90.188 K or -182.962 °C or -297.332 °F | 0.85% |
cas number | 7781-44-7 | 0.85% |
cas number of (cl2) | - | 99.15% |
category | Chalcogens | 3.39% |
crystal structure | SC (Simple cubic) | 2.54% |
density | 1.43 g/L | 0.85% |
electronegativity | 3.44 (Pauling scale) | 0.85% |
electronic configuration | [He] 2s2 2p4 | 0.85% |
electrons | 8 | 0.85% |
electrons arrangement | 2, 6 | 0.85% |
main isotopes | 16O | 0.85% |
melting point | 54.36 K or -218.79 °C or -361.82 °F | 0.85% |
neutrons | 8 | 0.85% |
position | Group: 16, Period: 2, Block: p | 0.85% |
rarity | BROWNIAN-MANIACS | 33.33% |
state | Gas | 9.32% |
sublimation point | - | 99.15% |
symbol | O | 0.85% |
valence electrons | 6 | 4.24% |
who discovered | Carl Wilhelm Scheele in 1771 | 1.69% |
Total Rarity Score: 2009.29
Rarity: #45/354