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The subscript numbers in a chemical formula indicate the number of atoms of the element they follow. No subscript means 1 atom.

For example, H2O, or water, has 2 atoms and 1 atom of oxygen of hydrogen in each molecule. Or, in a more complex example a molecule of H2SO4, sulfuric acid, contains 2 hydrogen atoms, 1 sulfur atom, and 4 oxygen atoms.

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Q: What are the numbers in a molecular formula?
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Related questions

What is the molecular formula for sulfide?

H2SO3 is the molecular formula of sulfurous acid.


What shows the types and numbers of atmos joined in a single molecule of a molecular compound?

molecular formula


Which formula shows the numbers and types of atoms in a molecule but not the bond?

The molecular formula shows the numbers and types of atoms in a molecule, but not how they are bonded. The structural formula shows how the atoms are bonded.


Describe the differences between molecular formulas and structural formulas for molecular compounds?

A molecular formula lists the numbers of the atoms of a specific element in a compound. A structural formula is a picture of how the atoms in a specific molecule are connected, with each atom represented by its chemical symbol. For example, oxygen's molecular formula is O2. Its structural formula is O-O.


What is a chemical formula that shows the numbers and kinds of atoms in a molecule but is not the arrangement of the atoms?

A molecular formula shows the numbers and kinds of atoms in a molecule but not the arrangement of the atoms.


What is the empirical formula for butane?

Well you know that Butanoic Acid's Molecular formula is C3H7COOH, and Empirical formula is a compound showig the simplest ratio of numbers of atoms of each element in the compound. Now the question is, can you simply C3H7COOH ? Nope! Then the Empirical formula is also C3H7COOH


What is the empirical formula for Hg2F2?

Molecular formula is Hg2F2 . The empirical formula is HgF . For empirical formulas you reduce the numbers as far as possible.


What is the advantage of using a structural formula over a molecular formula?

A molecular formula indicates the numbers of atoms of each element in the molecule, but a structural formula also indicates the arrangement of the atoms in the molecule. For example, H2O is the molecular formula for water, but H-O-H is the structural formula, showing how the hydrogen and oxygen atoms are arranged in the molecule.


What is the empirical formula for a compound whose molecular formula is C2Cl6?

What you have listed is the molecular formula, C6H4Cl2, the molecular formula is a multiple of the empirical formula in this case being C3H2Cl.


A multiple of an empirical formula is often called what?

molecular formula :]-kyrstiann dynae :]


Is H2O a molecular formula or formula unit?

a molecular formula


Which chemical formula is both an empirical formula and a molecular formula?

It would be a molecular formula for C3h5o.