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is the line between elements in a chemical bond
With a line
yes
The Fischer projection is used to illustrate the structure of linear monosaccharides. A vertical bond line at a given carbon centre shows that the bond is pointing into the plane while a horizontal bond line shows that the bond is pointing out of the plane.
one
The covalent bond. One line is a single bond, two lines between atoms is a double bond and three lines is triple bond
CH4
Two electrons.
If you're talking about formula like chemical formula (NaCl), there isn't one exactly, though sometimes a line is used (single line for a single bond, double line for a double bond, triple line for a triple bond). If you mean like a mathematical formula (LCAO or something similar), then Levine's Quantum Chemistry has a much more thorough treatment than we could possibly give here.
wee on it
There is one covalent bond in a chlorine molecule. The formula for a chlorine molecule is Cl2, which means that there are two chlorine atoms bonded together per molecule. The structural formula for a molecule of chlorine is Cl-Cl, in which the line in between the symbols for the two atoms represents a single covalent bond.
A structural formula diagram of 3-chloro-2-methyl-1-butanol would include HO with a line drawn from it. Attached to the line would be offshoots which represented the methyl and butanol.
Molecular bonding or bond linkage
A chemical formula that shows how atoms are arranged within a molecule or polyatomic ion and a molecular formula shows the number of the atoms that makes up the molecule.A molecular formula indicates the numbers and types of elements in one molecule of a substance. A structural formula indicates how the atoms are bonded to one another. Some examples include:water: H2O, H-O-Hcarbon dioxide: CO2, O=C=Ooxygen: O2, O=OIn a structural formula, each line represents a single covalent bond (one pair of shared electrons) between the atoms, and a double line represents a double covalent bond (two pairs of shared electrons) between the atoms.
You would represent a pair of shared electrons (a covalent bond) with a single line between the symbols of the elements in a structural formula, or as two dots between the elements in a Lewis Dot diagram.
Within the typographical limitations of this program, the structural formula for the smallest carboxylate anion, formate, could be written as H-C=O | O-1, where the two line unit | O-1 should be positioned directly beneath the C in the unit H-C=O.
There was a pop record in the 60's with the line: My name is Bond, Brooke Bond"