This is called an element.
None gold is an element which can not be broken down into smaller substances.
element
Aluminium - it is an element... the rest of the substances in your list are compounds.
This is the atom of a chemical element, unbreakable by chemical methods.
element?
Potassium (K) is an element. Elements are substances that cannot be broken down into simpler substances by chemical means, whereas compounds are substances made up of two or more different elements chemically combined.
no
If it is an element, then by definition there is nothing else present.
Calcium is itself an element. Elements do not contain other substances.
No
does not include other substances
Mercury is a chemical element.
Substances are Either an element or a mixture
Titanium is an element. It is a chemical element with the symbol 'Ti' and atomic number 22. Elements are substances that cannot be broken down into simpler substances by chemical means.
Not: atoms The answer is an element
This is called an element.