An element.
element
An element is a substance that cannot be broken down into simpler substances with all the characteristics of that element. Elements are composed of only one type of atom and they cannot be chemically decomposed into simpler substances.
An element cannot be broken down into a simpler substance by chemical means.
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.
No. Elements cannot be broken down into simpler substances in a chemical reaction.
element
An element.
element
An element is a substance that cannot be broken down into simpler substances with all the characteristics of that element. Elements are composed of only one type of atom and they cannot be chemically decomposed into simpler substances.
That would be an Element.
Robert Boyle
A pure substance that cannot be chemically broken down into simpler substances.
An element cannot be broken down into a simpler substance by chemical means.
The substance is a chemical element.
An element.
A substance that cannot be broken down is a pure substance
T=It is true that compounds is a type of substance. This substance cannot be broken down.