An element.
element
An element.
element
That would be an Element.
Robert Boyle
An element is a substance that cannot be broken down into simpler substances with all the characteristics of that element. Elements are composed of only one type of atom and they cannot be chemically decomposed into simpler substances.
A pure substance that cannot be chemically broken down into simpler substances.
A pure substance that cannot be broken down into simpler substances by physical or chemical means is an element. This is because Elements can't be broken down chemically into other substances because there is nothing to break them down into.
An element is a substance that cannot be broken down chemically into simpler substances. Each element is made up of atoms that have the same number of protons in their nucleus, distinguishing them from all other elements. Examples include oxygen, carbon, and gold.
The terms element and compound are used to identify pure substances.
An element cannot be broken down into a simpler substance by chemical means.
The substance is a chemical element.