The periodic table - classification of elements | Chemistry | Khan Academy

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Added 4 years ago by intercd

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Common terms describing the ways elements are classified in the periodic table. Created by Jay.

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Chemistry on Khan Academy: Did you know that everything is made out of chemicals? Chemistry is the study of matter: its composition, properties, and reactivity. This material roughly covers a first-year high school or college course, and a good understanding of algebra is helpful.

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