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Match each of the following polyatomic ions with its correct names

a OH⁻
b NO₂⁻
c NO₃⁻
d PO₃⁴⁻
e SO₂⁴⁻
f SO₂³⁻


a hydroxide
b nitrite
c nitrate
d phosphate
e sulfate
f sulfite

User Sauleil
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1 Answer

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Final answer:

Polyatomic ions are matched with their correct names, indicating the rules for the naming convention of polyatomic ions: 'ate' for more oxygen atoms and 'ite' for fewer oxygen atoms within the ion.

Step-by-step explanation:

The question asks to match each of the following polyatomic ions with its correct name:

  • a. OH⁻ to hydroxide
  • b. NO₂⁻ to nitrite
  • c. NO₃⁻ to nitrate
  • d. PO₃⁴⁻ to phosphate
  • e. SO₄²⁻ to sulfate
  • f. SO₃²⁻ to sulfite

Each polyatomic ion has a specific name, generally ending in -ate or -ite for those containing oxygen. The -ate suffix indicates that the ion contains more oxygen atoms compared to its counterpart with the -ite suffix. The ions listed above with their matching names illustrate this rule, where ions with more oxygen atoms have names ending in -ate (e.g., nitrate NO₃⁻) and those with fewer have names ending in -ite (e.g., nitrite NO₂⁻).

User Matt Coarr
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