Water Makes This Metal ERUPT ???? #science - Video

Drop pure lithium metal into water and it fizzes, spits and bursts into flame.

Lithium is an alkali metal with one loosely held outer electron. When it touches water, it reacts rapidly: 2Li + 2H₂O → 2LiOH + H₂. The reaction releases heat and flammable hydrogen gas, and that heat can ignite the hydrogen in a flash.

Its heavier cousins go even harder: sodium reacts violently, and potassium can burn with a brilliant violet flame.

Your phone battery is different: lithium-ion batteries hold lithium as ions, with no pure metal inside. If a battery ever catches fire, keep your distance and call emergency services; fire services typically use large amounts of water to cool battery fires.

???? Known Space: use first, machinery second, first principles last.
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