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a type of matter which has specific physical and chemical properties by which it can always be identified; can contain only kind of element, or one kind of compound Element a pure substance that cannot be broken down into simpler substances by chemical reactions and that is made up of only one type of atom

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The simplest substance that you can obtain by ordinary means is an element. An element is a substance than cannot be separated or broken down into simpler substances by chemical means.

quizlet.com/19085623/chemistry-terms-flash-cards

Any substance that cannot be broken down into simpler substances. Composed of only one kind of atom. 118 known elements.

socratic.org/questions/what-is-a-substance-that-cannot-be...

Elements in its purest form can no longer be broken down into any other substance. Hope this helps :) SOCRATIC ... What is a substance that cannot be broken down into simpler substances? Chemistry Matter Elements. 1 Answer Ryuu Nov 20, 2016 ... How are chemical elements diffrent from chemical compounds?

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pure substance that cannot be broken down into simpler substances by chemical or physical means. Each element has unique physical and chemical properties. compound: a pure substance made up of atoms of 2 or more different elements joined together by chemical bonds. mixture: a combination of 2 or more subtances that are not chemically combined.

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A pure substance that cannot be broken down is an element. Atoms of the same element are identical physically and chemically. An element's atoms are physically and chemically different from those of another element.

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A substance that cannot be broken down by chemical means into simpler kinds of matter is a(n): Element, Atom, Molecule, Electron ? Update: Can an elemet not be split into Atoms? something to do with Nuclear Fission, however I'm not sure if this would be classed as chemical.

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Any substance that cannot be broken down chemically into simpler substances? Follow . 8 answers 8. ... If a substance cannot be broken down chemically into a simpler substance, it is _____.? Whats is a substance that cannot be broken down into simpler substances?

science.answers.com/Q/A_pure_substance_that_cannot_be_broken_down...

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.

www.indiana.edu/~ensiweb/struct.matter.outline.pdf

STRUCTURE & CHANGES OF MATTER BASIC PRINCIPLES, CONCEPTS, AND TERMS I. All matter is composed of one or more substances (elements and/or compounds); compounds can be broken down into simpler substances: elements cannot be broken down chemically. II. All matter is composed of tiny particles, called atoms.