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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.

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Q: If a chemically pure substance that cannot be broken down into smaller substances?
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Related questions

Who determined that an element is a substance that cannot be chemically broken down into smaller substances?

Robert Boyle


What is a substance that cannot be broken down chemically into a smaller substance?

element


Any substance thet cannot be broken chemically into simplier substances.?

An element.


What is a substance that cannot be chemically broken down into a smaller form?

element


What is a substance that cannot be broken down chemically to simpler substances called?

That would be an Element.


Any substance that cannot be broken down chemically into simpler substances?

These are the chemical elements.


Describe the changing definitions of an element?

A pure substance that cannot be chemically broken down into simpler substances.


What are the simplest pure substances that can not be broken down into any other substance?

substances that cannot be broken down chemically into other substances are


A pure substance that cannot be broken down into substances by physical or chemical means is an?

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 substances are?

Elements.


A pure substance that cannot be broken down into any other substances by chemical or physical means is a?

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.


Why can't elements be broken down chemically?

Elements can't be broken down chemically into other substances because elements are what make up other things such as sugar and water, they can't be broken down further because there is nothing to break them down into.