Kemistri
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Kemistri (English: chemistry) emi saiens i stadi mata (matter). Saientis i wokim kemistri ol i kolim kemist (chemist).
Long mata i gat liklik hap ol i kolim molekel (molecule), na liklik moa hap ol i kolim atom. Ol kemis kolim kain bilong atom elemen na putim ol elemen long wanpela tebel: periodic table of elements. I gat 100 elemen long wol.
![](https://upload.wikimedia.org/wikipedia/commons/thumb/3/3b/TabelaPeri%C3%B3dicaPortugu%C3%AAsmaiode2019.png/220px-TabelaPeri%C3%B3dicaPortugu%C3%AAsmaiode2019.png)
![](https://upload.wikimedia.org/wikipedia/commons/thumb/e/e5/Eisenatom.svg/220px-Eisenatom.svg.png)