Chemical Formulas

A chemical formula is a way of expressing the composition of a substance using symbols for its constituent elements and numbers to indicate the quantity of each element.

The subscript in a chemical formula indicates the number of atoms of the element present in one molecule of the compound.

H₂O, which consists of 2 hydrogen atoms and 1 oxygen atom.

H₂SO₄, which consists of 2 hydrogen atoms, 1 sulfur atom, and 4 oxygen atoms.

C₆H₁₂O₆, which consists of 6 carbon atoms, 12 hydrogen atoms, and 6 oxygen atoms.

Gold.

5 atoms (1 potassium, 1 nitrogen, and 3 oxygen).

It provides essential information about the types and numbers of atoms in a molecule, which helps in understanding its properties and reactions.

Sucrose, a type of sugar composed of 12 carbon atoms, 22 hydrogen atoms, and 11 oxygen atoms.

An element is a pure substance made of only one type of atom, while a compound is a substance formed when two or more different types of atoms bond together.