element, compound, or an atom
An element cannot be broken down into a simpler substance by chemical means.
an element is a substance that cannot be broken down into a simpler form by chemical means
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.
An Element ... A substance that cannot be broken down into simpler substances by chemical means.
Only if it is a compound, as a compound is a pure substance that can be broken down into simpler pure substances by chemicalmeans. The decomposition of a substance is a chemical process that breaks down a compound into simpler substances or its constituent elements. So, by definition, the answer is yes. However, if the pure substance was an element, the answer would be no. An element is a pure substance that cannot be broken down into any simpler substances by chemical means. It is a pure substance in which every atom present has the same atomic number.
An element cannot be broken down into a simpler substance by chemical means.
cannot be broken down into simpler substances by chemical means
an element is a substance that cannot be broken down into a simpler form by chemical means
An element is a pure substance that cannot be broken down into simpler substances by chemical means.
A substance that can not be decomposed into simpler substance by a chemical or physical means is a chemical 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.
An "element"
Elements cannot be changed into simpler substances by chemical means. To change them into simpler particles, you need nuclear means.
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.
An Element ... A substance that cannot be broken down into simpler substances by chemical means.
This is called molecule.
An element.