A chemical element, by definition.
An element.
Any element.
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.
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.
A substance that cannot be broken down is a pure substance
They are the simplest of substances and cannot be broken down into any other substance.
This is called an element.
An element is a pure substance that cannot be broken down into simpler substances by chemical means.
Elements are substances that coonono be broken down in a garbage disposal.
Not: atoms The answer is an element
An element!
Element