No. Elements cannot be broken down into simpler substances in a chemical reaction.
yes
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
An Element ... A substance that cannot be broken down into simpler substances by chemical means.
An element.
An element is the only substance that cannot be broken down.
A substance that cannot be broken down is a pure substance
An element cannot be broken down into a simpler substance by chemical means.
A pure substance that cannot be broken down is an Element.
All of the elements of the Periodic Table cannot be broken down into simpler substances.
an element is a substance that cannot be broken down into a simpler form by chemical means
An Element ... A substance that cannot be broken down into simpler substances by chemical means.
An element.
An element.
An element.
element
an element
An element.