What is a pure element?

In chemistry, a pure element is a substance in which all the atoms have the same number of protons or the same atomic number. Chemically pure elements can bond in multiple ways and can be found in a number of structures. read more

A pure element is a substance consisting of only one isotope of a single element. Isotopes are atoms that differ from the atomic weight usually associated with a particular element due to having a different number of neutrons in their nuclei. read more

In chemistry, a pure element means a substance whose atoms all (or in practice almost all) have the same atomic number, or number of protons. Nuclear scientists, however, define a pure element as one that consists of only one stable isotope. read more