An element.
an element is a substance that cannot be broken down into a simpler form by chemical means
substances that cannot be broken down chemically into other substances are
A chemically pure substance is a substance that cannot be separated expect by chemical means. For instance, water can be broken down by electrolysis into oxygen and hydrogen. Yet, it is still a pure substance because a chemical change must occur in order for this to happen.
An element.
The simplest substance that you can obtain by ordinary means is an element.An element is a substance than cannot be separated or broken down into simpler substances by chemical means.
The atom cannot be broken by chemical methods.
chemical compound can be broken down into simplier elements.
That would be an Element.
an element is a substance that cannot be broken down into a simpler form by chemical means
You think probable to an atom.
These are the chemical elements.
Robert Boyle
A pure substance that cannot be chemically broken down into simpler substances.
substances that cannot be broken down chemically into other substances are
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.
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.