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Platinum - its history and chemistry.

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Listen in as several women talk about fulfilling their dreams of a career in science.

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How plants feed themselves and produce oxygen… explained with a mean beat.

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Sodium is an alkali metal, which means it is shiny, soft, and very reactive (as seen in the video) due to its outermost valence shell being occupied by only one electron.

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How you use soap and hand sanitizer will have a big impact on your health. This video goes through the does and don'ts of soap and hand sanitizers.

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Calcium is an alkaline earth metal which means it is silvery-white, non-soluble in water, and loses its two outer electrons in a reaction. In a flame test it will glow brick-red as seen in the video.

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Three colorless solutions produce this oscillating reaction. The beautiful ballet of chemical reactions could make you trade your lava lamp for a magnetic stirrer.

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