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Fluorine is a chemical element; it has the symbol F and atomic number 9. It is the lightest halogen and exists at standard conditions as pale yellow diatomic gas. Fluorine is extremely reactive as it reacts with all other elements except for the light noble gases. Fluorine in its elemental form is highly toxic.
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hydrogen fluoride used fluorite carbon acid production compounds water atoms gas also hydrofluoric fluorides oxygen organic gases chlorine element high
| Subject | Predicate | Object | Confidence | Src |
|---|---|---|---|---|
| Fluorine | 17F | synth | 1.00 | infobox |
| Fluorine | 18F | trace | 1.00 | infobox |
| Fluorine | 19F | 100% | 1.00 | infobox |
| Fluorine | Allotropes | alpha, beta (see Allotropes of fluorine) | 1.00 | infobox |
| Fluorine | Appearance | gas: very pale yellow liquid: bright yellow solid: alpha is opaque, beta is transparent | 1.00 | infobox |
| Fluorine | at T (K) | 38 | 1.00 | infobox |
| Fluorine | Atomic number (Z) | 9 | 1.00 | infobox |
| Fluorine | Block | p-block | 1.00 | infobox |
| Fluorine | Boiling point | (F2) 85.03 K (−188.11 °C, −306.60 °F) | 1.00 | infobox |
| Fluorine | CAS Number | 7782-41-4 | 1.00 | infobox |
| Fluorine | Covalent radius | 64 pm | 1.00 | infobox |
| Fluorine | Critical point | 144.41 K, 5.1724 MPa | 1.00 | infobox |
| Fluorine | Crystal structure | cubic | 1.00 | infobox |
| Fluorine | Density (at STP) | 1.696 g/L | 1.00 | infobox |
| Fluorine | Discovery | André-Marie Ampère (1810) | 1.00 | infobox |
| Fluorine | Electron configuration | [He] 2s2 2p5 | 1.00 | infobox |
| Fluorine | Electronegativity | Pauling scale: 3.98 | 1.00 | infobox |
| Fluorine | Electrons per shell | 2, 7 | 1.00 | infobox |
| Fluorine | First isolation | Henri Moissan (June 26, 1886) | 1.00 | infobox |
| Fluorine | Group | group 17 (halogens) | 1.00 | infobox |
| Fluorine | Heat of vaporization | 6.51 kJ/mol | 1.00 | infobox |
| Fluorine | Ionization energies | 1st: 1681 kJ/mol | 1.00 | infobox |
| Fluorine | Ionization energies | 2nd: 3374 kJ/mol | 1.00 | infobox |
| Fluorine | Ionization energies | 3rd: 6147 kJ/mol | 1.00 | infobox |
| Fluorine | Ionization energies | (more) | 1.00 | infobox |
| Fluorine | Magnetic ordering | diamagnetic (−1.2×10−4) | 1.00 | infobox |
| Fluorine | Main isotopes | .mw-parser-output .isotopes-table{text-align:center;width:100%;border-collapse:collapse;margin:0;padding:0}.mw-parser-output .isotopes-table-headers>:not(:first-child){padding:0… | 1.00 | infobox |
| Fluorine | Melting point | (F2) 53.48 K (−219.67 °C, −363.41 °F) | 1.00 | infobox |
| Fluorine | Molar heat capacity | 15.652 J/(mol·K) .mw-parser-output .template-chem2-su{display:inline-block;font-size:80%;line-height:1;vertical-align:-0.35em}.mw-parser-output .template-chem2-su>span{display:b… | 1.00 | infobox |
| Fluorine | Named by | Humphry Davy | 1.00 | infobox |
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