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If an unknown substance cannot be broken down into simpler substances it is made of one kind of atom and an element.
yes it is true
Not: atoms The answer is an element
All of the elements of the Periodic Table cannot be broken down into simpler substances.
These are the chemical elements.
Copper is an element and can not be broken down to a simpler substance.
Any substance that cannot be broken down into simpler substances is an?
No, it can be broken down.
An element cannot be broken down into a simpler substance by chemical means.
A quark :) An element such as gold, silver, iron, oxygen, hydrogen, helium
Elements are substances that coonono be broken down in a garbage disposal.
This is a "compound".
an element
An element.
In a word, no.
No.
In a word, no.