the act of competing; rivalry for supremacy, a prize, etc.: The competition between the two teams was bitter. a contest for some prize, honor, or advantage: Both girls entered the competition. the rivalry offered by a competitor: The small merchant gets powerful competition from the chain stores.
A: Copper is an element, because it is composed of only one type of atom. A compound consists of two or more elements that are chemically bound together, and ... Full Answer >
Elements are made up of atoms, the smallest particle that has any of the properties of the element.John Dalton, in 1803, proposed a modern theory of the atom based on the following assumptions. 1. Matter is made up of atoms that are indivisible and indestructible. 2. All atoms of an element are identical.