This is the atom of a chemical element, unbreakable by chemical methods.
By chemical means only? -- an ELEMENT
Elements are the simplest substances.
atoms.
This is called an element.
substances that cannot be broken down chemically into other substances are
An element is a pure substance that can not be broken down by chemical means into other substances. A compound is a pure substance that cannot be broken down by physical means but it can be broken down by chemical means.
An element is a substance that cannot be broken down into other substances by chemical or physical means. It consists of atoms with the same atomic number and unique set of properties. Examples of elements include hydrogen, oxygen, and gold.
All substances can be broken into any other substances (or elements) by chemical or physical methods.
element
They are the simplest of substances and cannot be broken down into any other substance.
This is called an element.
Not: atoms The answer is an element
A pure substance that cannot be broken down into simpler substances by physical or chemical means is an element. This is because Elements can't be broken down chemically into other substances because there is nothing to break them down into.
A pure substance that cannot be broken down into simpler substances by physical or chemical means is an element. This is because Elements can't be broken down chemically into other substances because there is nothing to break them down into.
substances that cannot be broken down chemically into other substances are
An element!
element
Element
Elements.
Oxygen O2