Elements of Living Organisms Answers

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Which statement describes an element? Check all that apply.

An element is a pure substance that cannot be broken down into a simpler form.

An element is made of two or more atoms that are chemically combined.

All elements are listed on the periodic table of elements.

An element symbol begins with a capital letter; if there is a second or even third letter, it is a lowercase letter.

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Answers:

carbon (C):element

carbon dioxide (CO:compound

hydrogen (H):element

sodium chloride (NaCl):compound

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