Fibre - it is non-digestable
Cellulose
Atom
An atom.
an element --- considered a pure substance
All of the elements of the Periodic Table cannot be broken down into simpler substances.
Is a pure substance such as an element. Remember elements can not be broken down further by chemical or physical processes.
chemical element
Element
an element is a substance that cannot be broken down into a simpler form by chemical means
an element --- considered a pure substance
An element cannot be broken down into a simpler substance by chemical means.
A chemical element, or an element, is a material which cannot be broken down further or changed into another substance by using chemical means.
A chemical element.
All of the elements of the Periodic Table cannot be broken down into simpler substances.
An element.
The atom cannot be broken by chemical methods.
Is a pure substance such as an element. Remember elements can not be broken down further by chemical or physical processes.
No. Elements cannot be broken down into simpler substances in a chemical reaction.
This is the atom of a chemical element (of course by chemical methods).
chemical element