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∙ 14y agoA 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.
Wiki User
∙ 14y agoIt is an element. Each element is made up of atoms with a specific number of protons in their nucleus. Examples include oxygen, hydrogen, and carbon.
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.
It is an element, composed of atoms.
Decomposition reactions involve the breakdown of one larger molecule into several smaller molecules.
Robert Boyle
element
element
That would be an Element.
A pure substance that cannot be chemically broken down into simpler substances.
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.
Elements.
An element is a substance that cannot be broken down chemically into simpler substances. Each element is made up of atoms that have the same number of protons in their nucleus, distinguishing them from all other elements. Examples include oxygen, carbon, and gold.
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.
into smallest partical
It is an element, composed of atoms.
An element.