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19 January, 16:42

Write the formula for the polyatomic ion of ba3 (po4) 2: express your answer as an ion. express single charges as [+], not [1+]

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  1. 19 January, 17:23
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    Ba₃ (PO₄) ₂ is a compound made of a metal cation and polyatomic ion.

    polyatomic ion is when 2 or more atoms are covalently bonded together and together have a charge and can act as one compound that can bond with another atom.

    In this case Ba²⁺ is the metal cation and PO₄³⁻ is the polyatomic ion. this is called the phosphate ion. one phosphate atom is bonded to 4 O atoms with an net charge of - 3 and acts as a single unit.
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