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Topics referred to by the same term
BF3 may refer to: Boron trifluoride, a chemical compound Battlefield 3, a 2011 video game published by Electronic Arts Star Wars Battlefront (2015) video
BF3
Chemical compound
Boron trifluoride is the inorganic compound with the formula BF3. This pungent, colourless, and toxic gas forms white fumes in moist air. It is a useful
Boron_trifluoride
Chemical bond theory
trihalides and organoboranes: BF3 + F− → BF−4 In this adduct, all four fluoride centres (or more accurately, ligands) are equivalent. BF3 + OMe2 → BF3OMe2 Both
Lewis_acids_and_bases
Micro-asteroid
2018 BF3 is a micro-asteroid, classified as a near-Earth object of the Apollo group, approximately 20 meters (70 ft) in diameter. It was first observed
2018_BF3
Chemical compound
according to the equilibrium: BF3OEt2 ↽ − ⇀ {\displaystyle {\ce {<=>>}}} BF3 + OEt2 The BF3 binds to even weak Lewis bases, inducing reactions of the resulting
Boron_trifluoride_etherate
http://www.motorsport.com/photos/bf3/2004/cc/bf3-2004-cc-dd-0262.jpg[dead link] http://www.motorsport.com/photos/bf3/2004/kno/bf3-2004-kno-dd-0284.jpg[dead link]
Vasilije_Calasan
Chemical element with atomic number 5 (B)
boron sources (B2H6 or BF3). However, after the 1970s, it was mostly replaced by ion implantation, which relies mostly on BF3 as a boron source. Boron
Boron
Molecular geometry of symmetry D_3h
Examples of molecules with trigonal planar geometry include boron trifluoride (BF3), formaldehyde (H2CO), phosgene (COCl2), and sulfur trioxide (SO3). Some
Trigonal planar molecular geometry
Trigonal_planar_molecular_geometry
Chemical compound
involves the reduction of BF3 by sodium hydride (NaH), lithium hydride (LiH) or lithium aluminium hydride (LiAlH4): 8 BF3 + 6 LiH → B2H6 + 6 LiBF4 Lithium
Diborane
Chemical compound
diborane: 8 BF3 + 6 LiH → B2H6 + 6 LiBF4 It can also be synthesized from LiF and BF3 in an appropriate solvent that is resistant to fluorination by BF3 (e.g
Lithium_tetrafluoroborate
Chemical compound
followed by a liquid nitrogen cooled trap: KBF4 + 2 B2O3 → BF3 + KF·B4O6 The collected impure BF3 is purified via fractional distillation. Potassium tetrafluoroborate
Potassium_tetrafluoroborate
Type of chemical substance
can accept a pair of electrons. One notable example is boron trifluoride (BF3). Some other definitions of both bases and acids have been proposed in the
Base_(chemistry)
Chemical compound
known by the simplified formulas H[PF6] and H[SbF6]. However, a solution of BF3 in HF is highly acidic, having an approximate speciation of [H2F]+[BF4]−
Fluoroboric_acid
Organic compounds made of alkyl/aryl groups bound to oxygen (R–O–R')
ether forms a complex with boron trifluoride, i.e. borane diethyl etherate (BF3·O(CH2CH3)2). Ethers also coordinate to the Mg center in Grignard reagents
Ether
Austrian-Argentine chess grandmaster (1913–1997)
Bxa6 Bf3 52.Ka5 Bc6 53.Bb5 Bf3 54.Bd3 Bc6 55.Bc2 Kc7 56.Ba4 Bf3 57.b5 Kb7 58.b6 Be2 59.Bc2 Bf3 60.Bd3 Bg2 61.Ba6+ Kc6 62.Bc8 Bf1 63.Bg4 Bd3 64.Bf3+ Kd6
Erich_Eliskases
Chemical compound giving a proton or accepting an electron pair
a covalent bond with an electron pair. An example is boron trifluoride (BF3), whose boron atom has a vacant orbital that can form a covalent bond by
Acid
Chess match between Vladimir Kramnik and Veselin Topalov
17. Nxb2 Bb5 18. Ne5 Ra7 19. Bf3 Nbd7 20. Nec4 Rb8 21. Rfb1 g5 22. e3 g4 23. Bd1 Bc6 24.Rc1 Be4 25. Na4 Rb4 26. Nd6 Bf3 27. Bxf3 gxf3 28. Nc8 Ra8 29.
World_Chess_Championship_2006
Chess match between Anatoly Karpov and Viktor Korchnoi
26.Bf3 Kg7 27.Re1 Rd7 28.Qf4 Re7 29.Rxe7 Bxe7 30.Kg2 a5 31.h4 h5 32.Be2 Bc5 33.Bc4 Qf6 34.Qd2 b6 35.a4 Qe5 36.Qd3 Qf6 37.Qd2 Qe5 38.Be2 Qe4+ 39.Bf3 Qe5
World_Chess_Championship_1981
Chemical compound
the presence of BF3•OEt2, the reagent will methylenate aldehydes. On the other hand, in the presence of TiCl4, TiCl3 or TiCl2 and BF3•OEt2, the reagent
Nysted_reagent
Chess match between Ju Wenjun and Tan Zhongyi
Nc3 Nge7 7. Be2 d5 8. exd5 exd5 9. Nxc6 bxc6 10. 0-0 0-0 11. cxd5 cxd5 12. Bf3 Be6 13. Bg5 Bxc3 14. bxc3 Rc8 15. Qa4 h6 16. Bd2 a5 17. Rfe1 Rc4 18. Qa3
Women's World Chess Championship 2025
Women's_World_Chess_Championship_2025
Anion
laboratory. It arises by the reaction of fluoride salts with the Lewis acid BF3, treatment of tetrafluoroboric acid with base, or by treatment of boric acid
Tetrafluoroborate
Chemical compound
tetrafluoroborate decomposes to sodium fluoride (NaF) and boron trifluoride (BF3): NaBF4 → NaF + BF3 It is a source of tetrafluoroborate anion, which is used in organic
Sodium_tetrafluoroborate
Chemical compound
Salts and covalent derivatives of the fluoride ion HF ?HeF2 LiF BeF2 BF BF3 B2F4 +BO3 CF4 CxFy +CO3 +C2O4 NF3 FN3 N2F2 NF N2F4 NF2 ?NF5 +N +NO3 OF2 O2F2
Dichlorodifluoromethane
Chess match
0-0 Nxc3 13. bxc3 h6 14. a4 Ne7 15. Ne5 Bd6 16. cxd5 Nxd5 (diagram) 17. Bf3 Nxf4 18. exf4 Bxe5 19. Rxd8+ Qxd8 20. fxe5 Qc7 21. Rb1 Rb8 22. Qd3 Bd7 23
World_Chess_Championship_2018
Chemical compound
boron trifluoride as byproducts. NO2BF4 + t−BuMe2SiCN → NCNO2 + t−BuMe2SiF + BF3 The conversion of this method is only 50%, and using an excess of tert-butyldimethylsilyl
Nitryl_cyanide
Association of atoms to form chemical compounds
same one of the atoms involved in the bond. For example, boron trifluoride (BF3) and ammonia (NH3) form an adduct or coordination complex F3B←NH3 with a
Chemical_bond
etherate in dichloromethane, Molybdenum(V) chloride and lead tetraacetate with BF3 in acetonitrile. Given the high reaction temperature and the requirement
Scholl_reaction
alpha-methylstyrene, styrene, methylidenes, etc. The current major catalyst is BF3. C5/C9 copolymer resins are produced from both aliphatic crackers and aromatic
Petroleum_resin
Chemical compound
boron containing fluorine with between 10 and 14 boron atoms. BF reacts with BF3 to form B2F4. BF and B2F4 further combine to form B3F5. B3F5 is unstable
Boron_monofluoride
Chemical theory about acids and bases
dative covalent bond between A and B. This is shown when the adduct H3N−BF3 forms from ammonia and boron trifluoride, a reaction that cannot occur in
Brønsted–Lowry acid–base theory
Brønsted–Lowry_acid–base_theory
Chemical compound
with strong acids, such as HCl. It forms adducts with Lewis acids, such as BF3. Isoquinoline was first isolated from coal tar in 1885 by Hoogewerf and van
Isoquinoline
neutron detectors containing boron may alternately use boron trifluoride (BF3) enriched to 96% boron-10 (natural boron is 20% 10B, 80% 11B). Boron trifluoride
Neutron_detection
Chemical compound
Salts and covalent derivatives of the fluoride ion HF ?HeF2 LiF BeF2 BF BF3 B2F4 +BO3 CF4 CxFy +CO3 +C2O4 NF3 FN3 N2F2 NF N2F4 NF2 ?NF5 +N +NO3 OF2 O2F2
Xenon_octafluoride
Chemical compound
Salts and covalent derivatives of the fluoride ion HF ?HeF2 LiF BeF2 BF BF3 B2F4 +BO3 CF4 CxFy +CO3 +C2O4 NF3 FN3 N2F2 NF N2F4 NF2 ?NF5 +N +NO3 OF2 O2F2
Chlorine_trifluoride
Chess match between Anatoly Karpov and Viktor Korchnoi
Rxf7 Rxf7 43. d5 Be5 44. dxc6 Kg7 45. Be4 Qg5+ 46. Kf1 Bd6 47. Bd5 Re7 48. Bf3 h5 49. Bd1 Qf5 50. Ke2 Re4 51. Qc3+ Qf6 52. Qb3 Qf5 53. Qb7+ Re7 54. Qb2+
World_Chess_Championship_1978
Chemical compound
trichlorofluoromethane at −30 °C to produce pure NI3 in low yield: BN + 3 IF → NI3 + BF3 NI3 is pyramidal (C3v molecular symmetry), as are the other nitrogen trihalides
Nitrogen_triiodide
Chemical compound
Salts and covalent derivatives of the fluoride ion HF ?HeF2 LiF BeF2 BF BF3 B2F4 +BO3 CF4 CxFy +CO3 +C2O4 NF3 FN3 N2F2 NF N2F4 NF2 ?NF5 +N +NO3 OF2 O2F2
Curium(IV)_fluoride
Chess match between Vasily Smyslov and Mikhail Botvinnik
d3 e6 7.Be2 Nbd7 8.Qg3 g6 9.0-0 Bg7 10.Bf4 Qb6 11.Rab1 0-0 12.Bc7 Qd4 13.Bf3 e5 14.Bd6 Rfe8 15.Ba3 dxe4 16.dxe4 b5 17.Rfd1 Qb6 18.b3 Nc5 19.Bc1 Qc7 20
World_Chess_Championship_1958
Organic chemical compound CH3–C(=O)–CH2–C(=O)–CH3
and acetic anhydride ((CH3C(O))2O) upon the addition of boron trifluoride (BF3) catalyst: (CH3C(O))2O + CH3C(O)CH3 → CH3C(O)CH2C(O)CH3 A second synthesis
Acetylacetone
1996 and 1997 chess matches
Kh7 30.Re4 Rd8 31.Kh1 Qc7 32.Qf2 Qb8 33.Ba4 c5 34.Bc6 c4 35.Rxc4 Nb4 36.Bf3 Nd3 37.Qh4 Qxb2 38.Qg3 Qxa3 39.Rc7 Qf8 40.Ra7 Ne5 41.Rxa5 Qf7 42.Rxe5 fxe5
Deep Blue versus Garry Kasparov
Deep_Blue_versus_Garry_Kasparov
Instrument used for measuring ionizing radiation
Geiger tube filled with BF3 for detection of thermal neutrons
Geiger_counter
Chemical compound
phosgene. In the laboratory BCl3 can be prepared by treating with AlCl3 with BF3, a halide exchange reaction. BCl3 is a trigonal planar molecule like the
Boron_trichloride
Chemical compound
Salts and covalent derivatives of the fluoride ion HF ?HeF2 LiF BeF2 BF BF3 B2F4 +BO3 CF4 CxFy +CO3 +C2O4 NF3 FN3 N2F2 NF N2F4 NF2 ?NF5 +N +NO3 OF2 O2F2
Copper(II) hexafluoroantimonate
Copper(II)_hexafluoroantimonate
Chemical compound
Salts and covalent derivatives of the fluoride ion HF ?HeF2 LiF BeF2 BF BF3 B2F4 +BO3 CF4 CxFy +CO3 +C2O4 NF3 FN3 N2F2 NF N2F4 NF2 ?NF5 +N +NO3 OF2 O2F2
Lithium_hexafluorotungstate
Two-electron chemical bond where both electrons derive from the same atom
trifluoride (diethyl) etherate") is prepared from BF3 and :O(C2H5)2, as opposed to the radical species [•BF3]– and [•O(C2H5)2]+. The dative bond is also a
Coordinate_covalent_bond
Use of metal-based Lewis acids to catalyze organic reactions
Lewis acid reagents focused on easily available compounds such as TiCl4, BF3, SnCl4, and AlCl3. Over the years, versatile catalysts bearing ligands designed
Lewis_acid_catalysis
Separation of electric charge in a molecule
polar bonds in a more complex molecule. For example, boron trifluoride (BF3) has a trigonal planar arrangement of three polar bonds at 120°. This results
Chemical_polarity
2011 video game
Exclusive BF3 DLC". Computer and Video Games. Archived from the original on 31 December 2011. Retrieved 21 December 2011. "EA Sued Over BF3's Missing
Battlefield_3
Chemical compound
planar AlCl3 monomer (point group D3h), which is structurally analogous to BF3. The melt conducts electricity poorly, unlike more ionic halides such as
Aluminium_chloride
Chess test suite
(Stockfish_23010111_x64_avx2). 25/38 00:01 5557k 5380k +0,83 Bxh7+ Kxh7 Qh5+ Kg8 Rd4 Bf3 gxf3 Qxc2 Rd7 Qg6+ Qxg6 fxg6 Be5 Re7 Rad1 Kf7 R7d4 Rc8 h4 Ke8 Kg2 b6 Rg4
Nolot
Chemical compound
C6H4F(NH2) + HNO2 + HBF4 → [C6H4F(N2)]BF4 + 2 H2O [C6H4F(N2)]BF4 → C6H4F2 + N2 + BF3 The syntheses of 1,3- and 1,4-difluorobenzene proceed respectively from 1
1,2-Difluorobenzene
Chemical compound
Salts and covalent derivatives of the fluoride ion HF ?HeF2 LiF BeF2 BF BF3 B2F4 +BO3 CF4 CxFy +CO3 +C2O4 NF3 FN3 N2F2 NF N2F4 NF2 ?NF5 +N +NO3 OF2 O2F2
Tungsten_pentafluoride
Analytical techniques involving ion beams
Low efficiency Poor Resolution, high efficiency < 100 mPa NRA Neutrons BF3 Li glass Scintillator External, low efficiency Detection only Broad resolution
Ion_beam_analysis
American chess grandmaster (1943–2008)
Kb7 50.Kb5 Nc8 51.Bc6+ Kc7 52.Bd5 Ne7 53.Bf7 Kb7 54.Bb3 Ka7 55.Bd1 Kb7 56.Bf3+ Kc7 57.Ka6 Ng8 58.Bd5 Ne7 59.Bc4 Nc6 60.Bf7 Ne7 61.Be8 Kd8 62.Bxg6 Nxg6
Bobby_Fischer
Chemical reaction
aldehydes to form β-ketoesters, often utilizing various Lewis acids (such as BF3, SnCl2, and GeCl2) as catalysts. The reaction is notable for its mild reaction
Roskamp_reaction
Rematch of 1972 World Chess Championship
15.Kf1 Ke7 16.Ne1 Bd6 17.a4 Bc6 18.axb5 axb5 19.Rc2 Rc7 20.Rdc1 Rac8 21.Bf3 Bxf3 22.Ndxf3 e5 23.Rxc7 Rxc7 24.Rxc7 Bxc7 25.Nc2 Ne4 26.Na3 b4 27.Nc4 f6
Fischer–Spassky_(1992_match)
Chemical process
dichloroacetonitrile in the presence of NaH. The resulting intermediate 2 then underwent a BF3·Et2O-mediated cascade reaction. Intramolecular opening of the epoxide ring
Cascade_reaction
Chemical compound
Salts and covalent derivatives of the fluoride ion HF ?HeF2 LiF BeF2 BF BF3 B2F4 +BO3 CF4 CxFy +CO3 +C2O4 NF3 FN3 N2F2 NF N2F4 NF2 ?NF5 +N +NO3 OF2 O2F2
Krypton_tetrafluoride
Class of chemical compounds
thermal ellipsoid model of [PhBF3]−, as found in the crystal structure of K[PhBF3] space-filling packing diagram of the crystal structure of K[PhBF3]
Organotrifluoroborate
Chemical compound
The complex binds four equivalents of boron trifluoride: K2[Ni(CN)4] + 4 BF3 → K2[Ni(CNBF3)4] Cyanide is a sufficient pi-acceptor ligand to allow reduction
Potassium_tetracyanonickelate
Any chemical compound having at least one boron atom
are called Lewis bases. For example, fluoride (F−) and boron trifluoride (BF3) combined to give the tetrafluoroborate anion, BF4−. Boron trifluoride is
Boron_compounds
BW2 — January 18, 1999 Oizumi T. Kobayashi · 3.1 km MPC · JPL 31425 1999 BF3 — January 16, 1999 Kushiro S. Ueda, H. Kaneda · 5.1 km MPC · JPL 31426 Davidlouapre
List of minor planets: 31001–32000
List_of_minor_planets:_31001–32000
Aromatic compounds containing Halogen atom(s) in place of Hydrogen
reaction, tetrafluoroborate is the fluoride donor: [C6H5N+2]BF−4 → C6H5F + N2 + BF3 In some cases, the fluoride salt is used: [C6H5N+2]F− → C6H5F + N2 Many commercial
Aryl_halide
Chemical compound
Salts and covalent derivatives of the fluoride ion HF ?HeF2 LiF BeF2 BF BF3 B2F4 +BO3 CF4 CxFy +CO3 +C2O4 NF3 FN3 N2F2 NF N2F4 NF2 ?NF5 +N +NO3 OF2 O2F2
Bromosyl_trifluoride
14th season of the Top Chess Engine Championship
25. Be3 b6 26. g4 a5 27. f4 Ne4 28. Qb5 Nf7 29. Qb1 Nfd6 30. Qd3 Nf6 31. Bf3 Ng8 32. Bc1 Rf7 33. Bc6 Ref8 34. Kg3 Re7 35. Kg2 Re6 36. Ba4 Ne7 37. Bc2
TCEC_Season_14
Chemical compound
Salts and covalent derivatives of the fluoride ion HF ?HeF2 LiF BeF2 BF BF3 B2F4 +BO3 CF4 CxFy +CO3 +C2O4 NF3 FN3 N2F2 NF N2F4 NF2 ?NF5 +N +NO3 OF2 O2F2
Osmium(IV)_fluoride
Class of chemical compounds
Salts and covalent derivatives of the fluoride ion HF ?HeF2 LiF BeF2 BF BF3 B2F4 +BO3 CF4 CxFy +CO3 +C2O4 NF3 FN3 N2F2 NF N2F4 NF2 ?NF5 +N +NO3 OF2 O2F2
Fluoronickelate
Chess match between Garry Kasparov and Anatoly Karpov
Rb8 22.Rc4 h5 23.Bf3 e6 24.Rd1 exd5 25.exd5 Be5 26.g4 hxg4 27.hxg4 Nb7 28.Ra4 Na5 29.g5 Rbc8 30.Be2 Bd6 31.Kg2 Bc5 32.Bd2 Rxd5 33.Bf3 Rdd8 34.Bxa5 1/2-1/2
World_Chess_Championship_1990
Chemical compound
Salts and covalent derivatives of the fluoride ion HF ?HeF2 LiF BeF2 BF BF3 B2F4 +BO3 CF4 CxFy +CO3 +C2O4 NF3 FN3 N2F2 NF N2F4 NF2 ?NF5 +N +NO3 OF2 O2F2
Potassium hexafluoroantimonate
Potassium_hexafluoroantimonate
Chemical compound
Salts and covalent derivatives of the fluoride ion HF ?HeF2 LiF BeF2 BF BF3 B2F4 +BO3 CF4 CxFy +CO3 +C2O4 NF3 FN3 N2F2 NF N2F4 NF2 ?NF5 +N +NO3 OF2 O2F2
Ammonium_hexafluorovanadate
Chess opening
dxe4 3.Ng5: 3...Nf6 4.Bc4 e6 5.Nc3 a6 6.Ngxe4 Nxe4 7.Nxe4 b5 8.Be2 Bb7 9.Bf3 and White had the advantage in Ermenkov–Bonchev, Bulgaria 1970. 3...e5! 4
Tennison_Gambit
Form of fluorite and semi-precious mineral
Salts and covalent derivatives of the fluoride ion HF ?HeF2 LiF BeF2 BF BF3 B2F4 +BO3 CF4 CxFy +CO3 +C2O4 NF3 FN3 N2F2 NF N2F4 NF2 ?NF5 +N +NO3 OF2 O2F2
Blue_John_(mineral)
Type of chlorofluorocarbon (CFC-11)
Salts and covalent derivatives of the fluoride ion HF ?HeF2 LiF BeF2 BF BF3 B2F4 +BO3 CF4 CxFy +CO3 +C2O4 NF3 FN3 N2F2 NF N2F4 NF2 ?NF5 +N +NO3 OF2 O2F2
Trichlorofluoromethane
Study of the 3D shapes of molecules
bond angle) Example Image 2 0 2 linear 180° CO2 3 0 3 trigonal planar 120° BF3 2 1 3 bent 120° (119°) SO2 4 0 4 tetrahedral 109.5° CH4 3 1 4 trigonal pyramidal
Molecular_geometry
Chess opening named after Edgard Colle
Bc5 18.Rh3 Qc6 19.e5 Nd5 20.Qf2 Bxd4 21.cxd4 Rac8 22.Bd1 f6 23.Qh4 Rf7 24.Bf3 Qc4 25.Be3 Nxe3 26.Bxb7 Nf5 27.Qe1 Rc7 28.Be4 Qxd4+ 29.Kh1 fxe5 30.Bxf5 exf5
Colle_System
Chemical compound
Salts and covalent derivatives of the fluoride ion HF ?HeF2 LiF BeF2 BF BF3 B2F4 +BO3 CF4 CxFy +CO3 +C2O4 NF3 FN3 N2F2 NF N2F4 NF2 ?NF5 +N +NO3 OF2 O2F2
Xenon_difluoride
Chemical compound
decomposition of the benzenediazonium tetrafluoroborate: PhN2BF4 → PhF + BF3 + N2 According to the procedure, solid [PhN2]BF4 is heated with a flame to
Fluorobenzene
Ionic compound (KF)
Salts and covalent derivatives of the fluoride ion HF ?HeF2 LiF BeF2 BF BF3 B2F4 +BO3 CF4 CxFy +CO3 +C2O4 NF3 FN3 N2F2 NF N2F4 NF2 ?NF5 +N +NO3 OF2 O2F2
Potassium_fluoride
Polymerization reaction initiated by a charge transfer to a monomer
cationic polymerization. The more popular Lewis acids are SnCl4, AlCl3, BF3, and TiCl4. Although these Lewis acids alone are able to induce polymerization
Cationic_polymerization
Class of chemical compounds
Salts and covalent derivatives of the fluoride ion HF ?HeF2 LiF BeF2 BF BF3 B2F4 +BO3 CF4 CxFy +CO3 +C2O4 NF3 FN3 N2F2 NF N2F4 NF2 ?NF5 +N +NO3 OF2 O2F2
Fluorocarbon
British software development company
403 (2010), 1409-1412 Cross-sections for the scattering of electrons with BF3 M. Radmilovic-Radjenovic, H. N. Varambhia, M. Vranic, J. Tennyson, Z. Lj
Quantemol
Chemical compound
Salts and covalent derivatives of the fluoride ion HF ?HeF2 LiF BeF2 BF BF3 B2F4 +BO3 CF4 CxFy +CO3 +C2O4 NF3 FN3 N2F2 NF N2F4 NF2 ?NF5 +N +NO3 OF2 O2F2
Uranium_hexafluoride
Model for predicting molecular geometry
geometry, instead of a trigonal planar geometry like its lighter congener BF3. In contrast, the extra stability of the 7p1/2 electrons in tennessine are
VSEPR_theory
Chemical reaction used in organic chemistry
Lewis or protic acids are typically required for the reaction (e.g. TiCl4, BF3, MeSO3H). These promoters are not compatible with sensitive functional groups
Nazarov_cyclization
English chess player (1848–1925)
Qxa1 26.Nxa1 Na7 27.Kf2 Bc6 28.Ke3 Nb5 29.Kd2 Kf8 30.Nc2 Ke7 31.Ne3 f5 32.Bf3 Kd7 33.g4 fxg4 34.Bxg4 g6 35.Bd1 Ke7 36.Ng4 h5 37.Ne3 Kf7 38.Ng2 Kg7 39.Nh4
Amos_Burn
Rivalry between two chess grandmasters
Nf6 7.N1c3 a6 8.Na3 d5 9.cxd5 exd5 10.exd5 Nb4 11.Be2 Bc5 12.O-O O-O 13.Bf3 Bf5 14.Bg5 Re8 15.Qd2 b5 16.Rad1 Nd3 17.Nab1 h6 18.Bh4 b4 19.Na4 Bd6 20.Bg3
Karpov–Kasparov_rivalry
Chemical compound and chemical warfare nerve agent
Salts and covalent derivatives of the fluoride ion HF ?HeF2 LiF BeF2 BF BF3 B2F4 +BO3 CF4 CxFy +CO3 +C2O4 NF3 FN3 N2F2 NF N2F4 NF2 ?NF5 +N +NO3 OF2 O2F2
Sarin
Chemical compound
Salts and covalent derivatives of the fluoride ion HF ?HeF2 LiF BeF2 BF BF3 B2F4 +BO3 CF4 CxFy +CO3 +C2O4 NF3 FN3 N2F2 NF N2F4 NF2 ?NF5 +N +NO3 OF2 O2F2
Dioxygen_difluoride
Chess match between Alexander Alekhine and Max Euwe
Qd3 Nd5 14. Be2 Qf6 15. c3 cxd4 16. cxd4 N7b6 17.Bh5 Rg7 18. Bf3 Qg6 19. Be4 f5 20. Bf3 Kf8 21. a4Rc7 22. 0-0 Bd7 23. Ba3+ Kg8 24. a5 Rc3 25. Qb1 Na4
World_Chess_Championship_1935
Organometallic compounds used in organic synthesis
{R4B-}}\\{\color {White}\scriptstyle {\ce {Et2O.BF3\ or\ NaBF4}}}{\Bigg \uparrow }\scriptstyle {\ce {Et2O.BF3\ or\ NaBF4}}\\{\ce {Ph2PR<-[{\ce {Ph2PCl}}]RMgX->[{\ce
Grignard_reagent
Chemical compound
Salts and covalent derivatives of the fluoride ion HF ?HeF2 LiF BeF2 BF BF3 B2F4 +BO3 CF4 CxFy +CO3 +C2O4 NF3 FN3 N2F2 NF N2F4 NF2 ?NF5 +N +NO3 OF2 O2F2
Sulfuryl_chloride_fluoride
Chemical compound
Salts and covalent derivatives of the fluoride ion HF ?HeF2 LiF BeF2 BF BF3 B2F4 +BO3 CF4 CxFy +CO3 +C2O4 NF3 FN3 N2F2 NF N2F4 NF2 ?NF5 +N +NO3 OF2 O2F2
Plutonium_oxyfluoride
Chemical compound
trifluoride reacts to give diborane and sodium fluoride:[page needed] 6 NaH + 2 BF3 → B2H6 + 6 NaF Si–Si and S–S bonds in disilanes and disulfides are also reduced
Sodium_hydride
Systematic naming of chemical compounds
used with the first element. Thus, NCl3 is termed nitrogen trichloride, BF3 is termed boron trifluoride, and P2O5 is termed diphosphorus pentoxide (although
Chemical_nomenclature
Chess opening
line continues 6...a6 7.0-0 Be7 8.Be3 0-0 9.f4 Qc7 10.a4 Nc6 11.Kh1 Re8 12.Bf3 (diagram) reaching one of the main tabiyas of the Classical Scheveningen
Sicilian Defence, Scheveningen Variation
Sicilian_Defence,_Scheveningen_Variation
Chess endgame
moves will contain it to the a8-corner.) 6... Kb7 7. Bd3! Kc6 8. Be2 Kc7 9. Bf3 Kd8 10. Kd6 Ke8 11. Bh5+ Kd8 12. Bf7 Kc8 13. Nc5 (Fourth step, cutting off
Bishop_and_knight_checkmate
Electric company in India
bins and power supplies; radiation detectors like boron lined counters, BF3 counters, high temperature fission counters and ionization chamber; smart
Electronics Corporation of India Limited
Electronics_Corporation_of_India_Limited
Chemical compound
Salts and covalent derivatives of the fluoride ion HF ?HeF2 LiF BeF2 BF BF3 B2F4 +BO3 CF4 CxFy +CO3 +C2O4 NF3 FN3 N2F2 NF N2F4 NF2 ?NF5 +N +NO3 OF2 O2F2
Molybdenum_oxytetrafluoride
Chemical compound
Salts and covalent derivatives of the fluoride ion HF ?HeF2 LiF BeF2 BF BF3 B2F4 +BO3 CF4 CxFy +CO3 +C2O4 NF3 FN3 N2F2 NF N2F4 NF2 ?NF5 +N +NO3 OF2 O2F2
Difluoromethane
Chemical compound
indicate that the Lewis acidity of B(C6F5)3 is slightly lower than that of BF3 and significantly reduced compared to BCl3. B(C6F5)3 forms a strong Lewis
Tris(pentafluorophenyl)borane
BF3
BF3
BF3
BF3
Girl/Female
Indian
Love
Boy/Male
Arabic, Pashtun
Elegant; Witty
Boy/Male
Tamil
Lion
Girl/Female
Tamil
The Sun
Boy/Male
Hindu, Indian
Shine
Boy/Male
Chinese, Indian, Japanese, Kannada, Tamil
King; Lord Shiva
Boy/Male
Muslim/Islamic
Believer and faithful to Allah
Boy/Male
Biblical
The Lord my banner.
Boy/Male
Australian, Dutch, French, German
Archer; Yew Wood; Yew Wood was Used for Bows
Surname or Lastname
English
English : variant of Scarborough.
BF3
BF3
BF3
BF3
BF3