Content-Type | image/gif |
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Content-Length | 380.91 kB |
Size | 512x512 |
1st ionization energy | 17.423 eV | 0.85% |
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appearance | Gaseous state: Pale yellowLiquid state: Bright yellowAlpha fluorine: OpaqueBeta fluorine: Transparent | 0.85% |
atomic mass | 18.998 u | 0.85% |
atomic number | 9 | 0.85% |
atomic radius | 135 picometers (van der Waals radius) | 0.85% |
boiling point | 85.03 K or -188.11 °C or -306.6 °F | 0.85% |
cas number | 7782-41-4 | 0.85% |
cas number of (cl2) | - | 99.15% |
category | Nonmetals (Halogens) | 0.85% |
crystal structure | SC (Simple cubic) | 2.54% |
density | 1.696 g/L | 0.85% |
electronegativity | 3.98 (Pauling scale) | 0.85% |
electronic configuration | [He] 2s2 2p5 | 0.85% |
electrons | 9 | 0.85% |
electrons arrangement | 2, 7 | 0.85% |
main isotopes | 19F | 0.85% |
melting point | 53.48 K or -219.67 °C or -363.41 °F | 0.85% |
neutrons | 10 | 1.69% |
position | Group: 17, Period: 2, Block: p | 0.85% |
rarity | SPINNIN'IN | 33.33% |
state | Gas | 9.32% |
sublimation point | - | 99.15% |
symbol | F | 0.85% |
valence electrons | 7 | 3.39% |
who discovered | Andre-Marie Ampere in 1810 | 0.85% |
Total Rarity Score: 2267.58
Rarity: #3/354