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They are based on the number of atoms in a molecule of a substance but also sometimes on the configuration into ions. For example, methyl alcohol (methanol) is CH3OH, not CH4O, because the molecule is formed by the bonding of a methyl ion (CH3+) with a hydroxyl ion (OH).

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What is the molecular formulas for methane?

CH4


Do you have a list of common molecular formulas?

Some common molecular formulas include H2O for water, NaCl for salt, C12H22O11 for sugar, and C2H6O for alcohol. The molecular formula for vinegar is CH3COOH.


Are the molecular formulas for each of the amino acids the same?

No, in fact people used to think that structural homology was proof for evolution but if you look at the chemistry of two animals with the same structural homology they will be way different


What are the molecular and structural formulas of water?

H20


What do molecular formulas and structural formulas have in common?

Molecular formulas contain no information about the arrangement of atoms. Because of this, one molecular formula can describe a number of different chemical structures. A structural formula is used to indicate not only the number of atoms, but also their arrangement in space.


What term is used for molecules that have identical molecular formulas but the atoms in each molecule are arranged differently?

Molecules that have identical molecular formulas but the atoms in each molecule are arranged differently are called isomers.


What are formulas for a covalent compounds called?

Formulas for covalent compounds are called molecular formulas. They show the types and numbers of atoms in a molecule.


Where can one find more information about molecular formulas?

Information about molecular formulas can be found on chemistry Internet sites or chemistry and physics blogs. They may also be found in chemistry books.


Are the molecular formulas for all amino acids the same. what is this called?

No, the molecular formulas for all amino acids are not the same. The unique molecular formula for each amino acid is referred to as its chemical structure.


Two compounds that have the same molecular formula but different structural formulas are?

Two compounds that have the same molecular formula but different structural formulas are isomers. Isomers are compounds with the same number and types of atoms but arranged differently. An example is ethanol (C2H6O) and dimethyl ether (C2H6O), both have the same molecular formula but different structural formulas.


How are the empirical and molecular formulas for a compuond related?

An empirical formula is a brutto formula; a molecular formula explain the structure of a molecule.


Are prefixes not considered when writing formulas for molecular componds?

Yes, prefixes are not considered when writing formulas for molecular compounds. The subscripts in a molecular formula represent the ratio of atoms in the compound without taking into account any prefixes used to indicate the number of each element.