Elements

Elements are a pure form of atoms that originated from hydrogen and helium bonding in the universe. The bonds led to new elements such as carbon and oxygen. There are also man made elements with the symbols UUU. Elements are a pure substance that contains atoms of the same amount of protons. Elements bond with their valence electrons. Ionic bonding is when to oppositely charged atoms bonds. I am unsure what metallic bonding consists of. Hydrogen bonding is a bond consisting of hydrogen and oxygen molecules.