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In this brief, worthwhile video, a delightful British narrator guides the viewer through the alkali metals, first as they react with air, and then, beginning at the 1-minute mark, as they react with water. Wait for cesium, it’s worth it. “You can see that things gradually become more terrifying as we go down the group.”
(via /r/videos)
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Published: Jun 2, 2011 10:21 am