Matter is everything physical all around us. In fact, it's everything known to science, including anti-matter.
A physical or chemical substance is simply a particular matter configuration.
Matter - physical substance in the universe, e. g. Some scientists believe that there is about ten times as muchmatter in the universe as astronomers have observed. ... Anything that occupies space and has mass is matter but the matter that has specific composition and chemical characteristics is substance. like elements.
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