Respuesta :

Answer:

Elements can NOT be separated into other types of matter (physically or chemically). Therefore, elements are pure substances. google

Explanation:

Answer:

Pure substances are either elements or compounds. Elements can NOT be separated into other types of matter (physically or chemically).

Explanation:

Therefore, elements are pure substances. Ex: Hydrogen gas is a pure substance, as it is made up of only Hydrogen atoms or molecules.

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