What is the difference between polyatomic ions and binary ionic compounds?

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What is the difference between polyatomic ions and binary ionic compounds?

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Answer 1 · 2018-07-28T01:38:19

A polyatomic ion is a group of atoms bond by covalent bonds with an unbalanced charge.
A binary ionic compound is composed of atoms of two elements bond by an ionic bond.

Explanation:

Polyatomc ions are charged compounds composed of non-metals with covalent bonds created by gaining or losing electrons to form the bonds. This creates an unbalanced charge. Examples include:
$N O_{3}^{- 1}$ $NO_3^-1$ nitrate
$P O_{4}^{- 3}$ $PO_4^-3$ phosphate
$N H_{4}^{+ 1}$ $NH_4^(+1)$ ammonium

A binary ionic compound is composed of the atoms of two (bi) elements bond by ionic bonds.

$F e^{+ 3}$ $Fe^(+3)$ and $O^{- 2}$ $O^-2$ forming $F e_{2} O_{3}$ $Fe_2O_3$ rust
$N a^{+ 1}$ $Na^(+1)$ and $C l^{- 1}$ $Cl^-1$ forming $N a C l$ $NaCl$ salt

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What is the difference between polyatomic ions and binary ionic compounds?

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