That is a fairly good definition for an "Element".
All substances can be broken into any other substances (or elements) by chemical or physical methods.
elements
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.
molecule
You think to atoms of chemical elements.
The simplest pure substances that cannot be broken down into any other substances are elements. Elements are made up of only one type of atom and cannot be separated into simpler substances by ordinary chemical reactions. Examples include hydrogen, oxygen, and carbon.
Substances that cannot be chemically broken down into simpler substances are called elements.
No: Compounds are simple mixtures of substances
Elements.
They are the simplest of substances and cannot be broken down into any other substance.
This is called an element.