- Acids are substances that form H^+ ions when dissolved in water.
- Bases are substances that form OH^- ions when dissolved in water.
- Substances with a Low pH ( < 7) have more H^+ ions are classified as Acids.
- Substances with a Higher pH ( > 7) have more OH^- ions and are classified as Bases.
The pH of a solution/substance is a measure of the molar concentration of hydrogen ions in solution/substance and as such, is a measure of the Acidity or Basicity of the solution/substance.
The letters pH stands for " Power of Hydrogen." and the:
Numerical Value: is defined as the Negative Base 10 Logarithm of the Molar Concentration of Hydrogen Ions.
In chemistry, a group is a column of elements in the periodic table of the chemical elements. There are 18 numbered groups in the periodic table; the f-block columns are not numbered.
