Identify all of the true statements, regarding elements, compounds, and pure substances.   a)Pure elements can have atoms with 12 and 13 protons, respectively.   b)Pure compounds can have atoms with 12 and 13 protons.   c)If two samples of the same compound are collected, the same ratio of atoms will be observed in both samples.   d)Samples of different compounds will always have different atoms present.

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Q: Identify all of the true statements regarding elements, compounds, and pure substances.    Pure…

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Atoms and Molecules

An atom is the smallest unit of an element that possesses all the properties of that particular element. Molecules are the smallest unit of a substance that possess all the properties of that particular substance.