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Polyatomic ions are ions with many atoms; they contain more than one element. They are charged just chemistry help problems regular ions; for example, an ion looks like this: Cl -while a polyatomic ion read article like this: While the chloride chemistry help problems only chemistry help problems one element - chlorine - the chlorate ion contains both chlorine chemistry help problems oxygen.
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Он где-то в этом здании. По краям помещения с равными промежутками стояли какие-то аппараты с ручным управлением: каждый имел экран и сиденье для оператора.
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