Plattform i testfasen
Plattform i testfasen
Vänligen avstå från köp. Vi uppskattar ditt intresse och vi kommer att meddela när plattformen är i full drift. Tack för ditt tålamod.
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Periodiska tabellen

Grundämnen är organiserade i det periodiska tabellen. Tabellen skapades av den ryske kemisten Dmitri Mendeleev 1869 och placerar grundämnen i kolumner (grupper) och rader (perioder) som delar vissa egenskaper.

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