Chemistry

Learn about what atoms, the basic building blocks of all matter, are made up of.

Learn about elements: which ones are most common, and how they are named.

Learn how elements are organized on the periodic table.

Learn about isotopes, atoms of elements with different numbers of neutrons.

Learn about ions, atoms of elements with different numbers of electrons.

Learn about the two types of bonds that can form between atoms: ionic and covalent bonds.

Learn about the properties of chemical reactions and how they happen.

Learn about solutions and how they can vary.

Learn about the unique properties of water, such as polarity and capillary action.