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The top documents tagged [different elementsthis]
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Elements, Compounds, Mixtures. Warm Up Activity This picture show the atoms that are present in the air. 1.Which ones are elements? 2.How can you tell?
213 views
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The Periodic Law. History of the Periodic Table By 1860, more than 60 elements had been discovered Masses were not accurately known In 1860, the first
219 views
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Elements, Compounds, Mixtures This picture show the atoms that are present in the air. 1.Which ones are elements? 2.How can you tell?
212 views