Substances that cannot be chemically broken down into simpler substances are called elements.
elements
Elements
element
All substances can be broken into any other substances (or elements) by chemical or physical methods.
The atom cannot be broken by chemical methods.
An element is a pure substance that cannot be broken down into simpler substances by chemical means.
All of the elements of the Periodic Table cannot be 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.
No. Elements cannot be broken down into simpler substances in a chemical reaction.
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.
cannot be broken down into simpler substances by chemical means
Elements are substances that cannot be broken down into any simpler substances. Hence they cannot be broken down by chemical methods. They may change in appearance if physical methods, but chemically, they still remain as the element.
an element is a substance that cannot be broken down into a simpler form by chemical means
You think to atoms of chemical elements.
This is the definition of an atom.