Alkali Metals and Reactivity
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Reactivity — demonstrations with lithium (meh) and sodium (woah!)
A short film showing how the alkali metals vary in reactivity. Lithium and Sodium used practically, as examples.
Nominee: Best Chemistry Film, 2011
Nicely clear, this, with good close-ups and a cleanly-recorded voice-over. It’s great to have some good practical chemistry, and it’s commendably quick.
Ah, but should they have added the explosion sound over the sodium? When the BBC do that, people accuse them of fakery. “Gone too far”, or “who cares”?