periodic - Element of this type can be found on the Periodic Table.
natural - Elements of this type are quite common in nature.
containment - Elements of this type have 2 or more of the other elements in them and are created by the merge of at least 2 of the said elements.
artificial - Elements of this type are most often manufactured.
personal - Elements of this type perfer directly to lifeforms.
void - Elements of this type allow for a place for other elements to be without being composed of said elements.