In article <vmg4v0$mder$ snipped-for-privacy@dont-email.me, Jeff Layman snipped-for-privacy@invalid.invalid wrote: <SNIP>
Lithium is present in seawater with a fairly high concentration. Doubling this for thousands of cubic metres requires a lot of lithium. The biological impact of this is probably minimal. Heavy metals is more of a concern.
Groetjes Albert
(Using foil is not fair, even iron that is sufficiently fine combusts spontaneously.)
There are youtube video's around comparing the whole first column of the periodic table. lithium, sodium, potassium, rubidium, caesium. (Not francium ;-) ). If you have seen the caesium reaction, you don't call the lithium reaction violent, not for lumps. You have to be behind a bulletproof shield. The water container shatters.
Search for "Group 1 metals with water"
You can witness a whole slew of dangerous experiments online, but nothing beats the smell of bromium on saturday mornings.
Groetjes Albert
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