1 / 17

Naming Compounds Having Polyatomic Ions

Naming Compounds Having Polyatomic Ions. Objective: To learn the names of common polyatomic ions and how to use them in naming compounds. Define polyatomic ion. A group of atoms with a charge Some Examples SO 4 2- CN - C 2 H 3 O 2 - sulfate cyanide acetate

ailani
Download Presentation

Naming Compounds Having Polyatomic Ions

An Image/Link below is provided (as is) to download presentation Download Policy: Content on the Website is provided to you AS IS for your information and personal use and may not be sold / licensed / shared on other websites without getting consent from its author. Content is provided to you AS IS for your information and personal use only. Download presentation by click this link. While downloading, if for some reason you are not able to download a presentation, the publisher may have deleted the file from their server. During download, if you can't get a presentation, the file might be deleted by the publisher.

E N D

Presentation Transcript

  1. Naming Compounds Having Polyatomic Ions Objective: To learn the names of common polyatomic ions and how to use them in naming compounds.

  2. Define polyatomic ion • A group of atoms with a charge • Some Examples • SO42- CN- C2H3O2- • sulfate cyanide acetate • OH- NO3- NO2- • Hydroxide nitrate nitrite

  3. Polyatomic vs. Monatomic • How are the ions S2- and SO42- different? • SO42- is five atoms combined to make one ion. • SO43- is a polyatomic ion

  4. Turn to page 100 • Note the table listing the most common polyatomic ions. • This table will be supplied to you when you take the test. • Let’s look at it.

  5. What do you notice about the names of most polyatomic ions? • Most end with either –ite or –ate. • Notice there are some that end in -ide.

  6. Perchlorate ClO4- • chlorate ClO3- • chlorite ClO2- • hypochlorite ClO- • Chloride Cl-

  7. Naming Compounds that Contain Polyatomic Ions • Say the name of the positive ion • Say the name of the negative ion • Na2SO3 K2SO4 • sodium sulfite potassium sulfate • KC2H3O2 • Potassium acetate

  8. This will be easier if you remember this: • Compounds only have two names • CuCO3 • Copper(II) carbonate

  9. Compounds Containing SO42- • The name of the polyatomic ion is sulfate • BaSO4 Al2(SO4)3 • barium sulfate aluminum sulfate • CaSO4 Na2SO4 • calcium sulfate sodium sulfate

  10. Compounds Containing OH- • The name of the polyatomic ion is hydroxide • NaOH Cu(OH)2 • sodium hydroxide copper(II) hydroxide • Al(OH)3 Fe(OH)2 • aluminum hydroxide Iron(II) hydroxide

  11. Compounds Containing C2H3O2- • Ba(C2H3O2)2 Cu(C2H3O2)2 • Barium acetate copper(II) acetate • Mg (C2H3O2)2 Hg2(C2H3O2)2 • Magnesium acetate mercury(I) acetate

  12. Compounds Containing H2PO4-The name of the polyatomic ion is dihydrogen phosphate. • NaH2PO4 • Remember: Say the name of the positive ion and then the name of the negative ion. • Sodium dihydrogen phosphate

  13. Writing Formulas of Compounds that Contain Polyatomic Ions • Sodium phosphate

  14. Write the Formula for Barium Nitrate • Barium Nitrate

  15. Write the Formula for Calcium Hydroxide • Calcium Hydroxide

  16. Write the Formula for Calcium chloride • Only put parentheses around polyatomic ions

  17. Write the formula for ammonium carbonate • ammonium carbonate

More Related