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 indicates the number of atoms of the element in one molecule of the compound.

There are 3 atoms in H₂O (2 hydrogen and 1 oxygen).

The chemical formula for sulfuric acid is H₂SO₄.

There are 3 different elements in C₆H₁₂O₆: carbon (C), hydrogen (H), and oxygen (O).

There are 3 atoms in one molecule of water (2 hydrogen and 1 oxygen).

The chemical formula for potassium nitrate is KNO₃.

There are 4 oxygen atoms in H₂SO₄.

A molecule is a group of two or more atoms bonded together, representing the smallest fundamental unit of a chemical compound.

The chemical formula provides information about the types and numbers of atoms in a substance, which helps in understanding its properties and reactions.