Atoms are made up of protons, neutrons and electrons. The position of protons and neutrons within an atom is pretty…
Solutions A solution is a mixture of different elements or compounds and is made when a solute is dissolved into…
Empirical Formula Empirical Formula – the simplest whole number ratio of atoms of each element in a compound. For example, the…
The volumes of gases involved in reactions can be calculated using Avogadro’s Law: Avogadro’s Law – equal volumes of all gases…
In chemistry the amount of a substance is measured in moles. Moles are a unit often abbreviated to mol and…
The mass of an atom is compared to the mass of other atoms to give us a relative mass. Today…