Blog Question

Molecules contain atoms with a nucleus with protons and neutrons and electrons surrounding the atom. In CO2, there is 1 carbon and 2 oxygen atoms. In H2O, there are 2 hydrogen and 1 oxygen atom. These all contain a specific number of protons, neutrons, and electrons. The proton and electron number is on the top right corner of the periodic table and is called the atomic number. The number of neutrons is atomic number subtracted from the atomic weight.