Linked from
The 74 pages that link to Molecular formula, each with the reason it gives.
Chemical formulaCompared with: Unlike a reduced ratio, it reports the molecule’s full elemental counts.
StoichiometryRelated: It scales an empirical ratio to the molecule's full composition.
Lewis structureRelated: Its atom counts constrain which Lewis structures are possible.
Structural formulaCompared with: Two isomers can share this formula while having different structural formulas.
Carbonic acidRelated: H₂CO₃ specifies the atoms in carbonic acid without showing their arrangement.
IsomerRelated: Isomers share this count even when their atoms are connected or arranged differently.
CyclohexaneRelated: C₆H₁₂ distinguishes cyclohexane from the six-carbon alkane hexane, C₆H₁₄.
IsomerismRelated: Isomers share this formula even when their atoms are connected or arranged differently.
ButaneRelated: C₄H₁₀ specifies the shared atom counts of both isomers.
IsopreneRelated: Isoprene’s formula, C₅H₈, captures its compact five-carbon framework.
Structural isomerismRelated: Structural isomers share this count even when their atoms are connected differently.
EthaneRelated: C₂H₆ gives ethane’s atom counts but does not show how those atoms connect.
MoleculeRelated: It records the composition of a molecule without specifying its full structure.
Benzoic acidRelated: C₆H₅COOH is often written C₇H₆O₂, specifying benzoic acid’s elemental composition.
CycloalkaneRelated: For monocyclic cycloalkanes, ring closure gives the formula CₙH₂ₙ.
Molecular massRelated: Its atom counts specify which atomic masses must be summed.
Phosphorus pentoxideRelated: P₄O₁₀ is the molecular formula behind the traditional name phosphorus pentoxide.
PropaneRelated: C₃H₈ states that each propane molecule contains three carbon and eight hydrogen atoms.
Empirical formulaCompared with: Comparing it with an empirical formula shows whether the simplest ratio is the molecular count.
Molecular structureCompared with: It gives composition but cannot distinguish most different molecular structures.
Skeletal formulaCompared with: A molecular formula lacks the connectivity that skeletal formulas depict.
IsomerizationRelated: Its preservation distinguishes isomerization from transformations that change elemental composition.
HexaneRelated: C₆H₁₄ states hexane's elemental composition without specifying its molecular shape.
Homologous seriesRelated: A series often follows a general formula that captures its repeating composition.
MannitolRelated: Mannitol’s formula, C₆H₁₄O₆, identifies its composition but not its three-dimensional arrangement.
Chemical compositionCompared with: It gives molecular atom counts rather than only the simplest composition ratio.
CyclobutaneRelated: C₄H₈ specifies cyclobutane’s atom counts but not its ring connectivity.
Dalton's atomic theoryBroader topic: It expresses the discrete combinations that Dalton’s account proposed for compounds.
Malonic acidRelated: C₃H₄O₄ specifies malonic acid's elemental composition.
CyclopentaneNarrower topic: C₅H₁₀ distinguishes cyclopentane from the open-chain alkane pentane.
Maleic acidRelated: Maleic acid’s formula, C₄H₄O₄, is shared with fumaric acid despite their different geometries.
PentaneRelated: C₅H₁₂ gives pentane’s atom counts without specifying how its atoms connect.
Ball-and-stick modelRelated: A formula gives composition, while the model adds atom-to-atom arrangement.
Glycolic acidRelated: C₂H₄O₃ records glycolic acid’s elemental composition without specifying its structure.
Methyl methacrylateNarrower topic: Methyl methacrylate has formula C5H8O2, a compact check on its composition.
Structural isomerRelated: Structural isomers share this atom count despite having different bonds.
AcetophenoneRelated: C₆H₅COCH₃ gives acetophenone’s elemental composition and connectivity in condensed form.
ThymolRelated: Thymol’s formula, C10H14O, summarizes its elemental composition.
CyclohexanolRelated: C₆H₁₂O gives cyclohexanol's elemental composition but not its connectivity.
Degree of unsaturationNarrower topic: The degree of unsaturation is derived directly from these elemental counts.
Glutaric acidRelated: C₅H₈O₄ records glutaric acid’s elemental composition.
NeopentaneRelated: C₅H₁₂ states the atom counts shared by all pentane isomers.
PyrrolidineRelated: C₄H₉N specifies pyrrolidine’s atomic composition.
ButanoneRelated: Butanone's formula, C₄H₈O, records its elemental composition.
ButyraldehydeNarrower topic: Butyraldehyde's formula, C₄H₈O, helps distinguish its structure from other compounds with that composition.
DecaneRelated: C₁₀H₂₂ states decane’s carbon and hydrogen counts.
GlycolaldehydeRelated: C₂H₄O₂ specifies glycolaldehyde's elemental composition.
IsobutyleneRelated: C₄H₈ specifies isobutylene’s composition without distinguishing its structure from other isomers.
IsopentaneNarrower topic: C₅H₁₂ identifies isopentane’s composition but not its branched structure.
Methyl formateNarrower topic: HCOOCH₃ gives methyl formate's atom composition and distinguishes it from related esters.