An Element ... A substance that cannot be broken down into simpler substances by chemical means.
An unknown substance that is made only of identical atoms that cannot be broken down is an element.
An element cannot be broken down into a simpler substance by chemical means.
Atoms can be broken down, so it is a quark or a lepton.
an element is a substance that cannot be broken down into a simpler form by chemical means
Any substance that cannot be broken down into simpler substances is an?
No. Elements cannot be broken down into simpler substances in a chemical reaction.
Element
If an unknown substance cannot be broken down into simpler substances it is made of one kind of atom and an element.
You think probable to an atom.
An element cannot be broken down into a simpler substance by chemical means.
Atoms can be broken down, so it is a quark or a lepton.
A substance that cannot be broken down is a pure substance
An element.
A pure substance that cannot be broken down is an Element.
T=It is true that compounds is a type of substance. This substance cannot be broken down.
an element is a substance that cannot be broken down into a simpler form by chemical means
Any substance that cannot be broken down into simpler substances is an?
No. Elements cannot be broken down into simpler substances in a chemical reaction.