Atomic Structure Timeline and Classification of Matter

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14 k Gold

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Milk is a(n): Element, Compound, Heterogeneous Mixture, Homogeneous Mixture

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Heterogeneous Mixture

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Which of the following could only be separated by chemical means? Water, Salt water, Phosphorous, Maple syrup

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Water

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Which Greek philosopher first proposed the idea of an indivisible particle of matter?

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Democritus

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According to the prevailing wisdom prior to 1500 AD, what was matter composed of?

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four elements: earth, air, fire, and water.

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This picture represents: Element, Compound, Mixture of Elements, Mixture of Compounds

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Compound

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A mixture in which different materials can be identified easily

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heterogeneous mixture

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A mixture that contains two or more substances blended evenly throughout

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homogeneous mixture

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Which of the following is an element? Options: Sugar, Salt, Water, Oxygen

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Oxygen