Original media from our community.
Lithium chunks in what appears to be mineral oil. As Lithium is so light, the chunks float to the top of the bottle.
Cubes of slightly brassy |li|, gray |na|, and silvery |k| metal in ampoules under inert gas. These are extremely reactive metals, so getting them into these precise shapes is incredibly difficult!
The Alkali Metals group: |li| rod, |na|, |k|, |rb|, and |cs|. All samples are inside ampoules, because these elements are extremely reactive to the |o| in air.
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