Content-Type | image/png |
---|---|
Content-Length | 4.42 kB |
Size | 512x512 |
1st ionization energy | 21.565 eV | 0.85% |
---|---|---|
appearance | Colorless gas | 7.63% |
atomic mass | 20.180 u | 0.85% |
atomic number | 10 | 0.85% |
atomic radius | 154 picometers (van der Waals radius) | 0.85% |
boiling point | 27.104 K or -246.04 °C or -410.88 °F | 0.85% |
cas number | 7440-01-9 | 0.85% |
cas number of (cl2) | - | 99.15% |
category | Noble gases | 5.08% |
crystal structure | FCC (Face-centered cubic) | 1.69% |
density | 0.9 g/L | 0.85% |
electronegativity | - | 21.19% |
electronic configuration | [He] 2s2 2p6 | 0.85% |
electrons | 10 | 0.85% |
electrons arrangement | 2, 8 | 0.85% |
main isotopes | 20Ne | 0.85% |
melting point | 24.56 K or -248.59 °C or -415.46 °F | 0.85% |
neutrons | 10 | 1.69% |
position | Group: 18, Period: 2, Block: p | 0.85% |
rarity | ZERO-KELVIN | 33.33% |
state | Gas | 9.32% |
sublimation point | - | 99.15% |
symbol | Ne | 0.85% |
valence electrons | 8 | 4.24% |
who discovered | William Ramsey and Morris Travers (in 1898) | 1.69% |
Total Rarity Score: 1905.84
Rarity: #70/354