Search results
Results from the WOW.Com Content Network
Formal charges in ozone and the nitrate anion. In chemistry, a formal charge (F.C. or q*), in the covalent view of chemical bonding, is the hypothetical charge assigned to an atom in a molecule, assuming that electrons in all chemical bonds are shared equally between atoms, regardless of relative electronegativity.
The mean global tropospheric concentration of NF 3 has risen from about 0.02 ppt (parts per trillion, dry air mole fraction) in 1980, to 0.86 ppt in 2011, with a rate of increase of 0.095 ppt yr −1, or about 11% per year, and an interhemispheric gradient that is consistent with emissions occurring overwhelmingly in the Northern Hemisphere, as ...
Skeletal structural formula of Vitamin B 12.Many organic molecules are too complicated to be specified by a molecular formula.. The structural formula of a chemical compound is a graphic representation of the molecular structure (determined by structural chemistry methods), showing how the atoms are connected to one another. [1]
Main page; Contents; Current events; Random article; About Wikipedia; Contact us
Nf3. Sometimes the name "Réti Opening" is used for the opening move 1.Nf3, [1] although most sources define the Réti more narrowly as the sequence 1.Nf3 d5 2.c4. [2] A flank opening, it is the third most popular of the twenty legal opening moves White has, behind only 1.e4 and 1.d4. [3] [4] [5]
A C corporation is distinguished from an S corporation, which generally is not taxed separately. Many companies, including most major corporations, are treated as C corporations for U.S. federal income tax purposes. C corporations and S corporations both enjoy limited liability, but only C corporations are subject to corporate income taxation. [1]
Rosenthal vs. Steinitz, 1873. Rosenthal vs. Steinitz, 1873: 1.e4 e5 2.Nc3 Nc6 3.Nf3 g6 4.d4 exd4 5.Nxd4 Bg7 6.Be3 Nge7 7.Bc4 d6 8.0-0 0-0 9.f4 Na5 10.Bd3 d5 11.exd5 Nxd5 12.Nxd5 Qxd5 13.c3 Rd8 14.Qc2 Nc4 15.Bxc4 Qxc4 16.Qf2 c5 17.Nf3 b6 18.Ne5 Qe6 19.Qf3 Ba6 20.Rfe1 f6 21.Ng4 h5 22.Nf2 Qf7 23.f5 g5 24.Rad1 Bb7 25.Qg3 Rd5 26.Rxd5 Qxd5 27.Rd1 Qxf5 28.Qc7 Bd5 29.b3 Re8 30.c4 Bf7 31.Bc1 Re2 32.Rf1 ...
In chess, the Maróczy Bind (Hungarian: [ˈmɒroːt͡si]) is a term alternately used to refer to an opening or its associated pawn structure, named for the Hungarian grandmaster Géza Maróczy.