No because it is a pure element.
You think probable to an atom.
Elements cannot be changed into simpler substances by chemical means. To change them into simpler particles, you need nuclear means.
Substance that cannot be changed into a simpler substance under normal laboratory conditions are elements. A physical blend of two or more substances that are not chemically combined is a mixture.
Only in a nuclear reaction, otherwise no.
Any substance that cannot be broken down into simpler substances is an?
Because carbon cannot be changed into a simpler substance by normal means
Copper is an element and can not be broken down to a simpler substance.
An element.
An "element"
elements
pure
This is a "compound".