Naming Ionic Compounds
Part 4: Examples for Ionic Compound Nomenclature
By Shawn P. Shields, Ph.D.
This work is licensed b...
Steps for Naming Inorganic Compounds
1) Write the name of the cation first.
2) If the anion is an element, name the anion
...
Mini Quiz: Naming Ionic Compounds
Name the compound CaCl2
Mini Quiz Solution: Naming Ionic Compounds
Name the compound CaCl2
Write the name of the cation first. “Calcium”
The anion...
Mini Quiz Solution: Naming Ionic Compounds
Name the compound CaCl2
Write the name of the cation first. “Calcium”
The anion...
Mini Quiz: Naming Ionic Compounds
Name the compound Na2O
Mini Quiz Solution: Naming Ionic Compounds
Name the compound Na2O
Write the name of the cation first. “Sodium”
The anion i...
Mini Quiz Solution: Naming Ionic Compounds
Name the compound Na2O
Write the name of the cation first. “Sodium”
The anion i...
Mini Quiz: Naming Ionic Compounds
Name the compound CuO
Mini Quiz Solution: Naming Ionic Compounds
Name the compound CuO
Let’s start by looking at the cation in CuO. How
do we kn...
Mini Quiz Solution: Naming Ionic Compounds
Name the compound CuO
Now that we know the charge on Cu (+2), we can
name the c...
Mini Quiz: Naming Ionic Compounds
Name the compound Cu2O
Mini Quiz Solution: Naming Ionic Compounds
Name the compound Cu2O
Let’s start again by looking at the cation in Cu2O.
How ...
Mini Quiz Solution: Naming Ionic Compounds
Name the compound CuO
Now that we know the charge on Cu (+1), we can
name the c...
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Naming ionic compounds examples

Naming ionic compounds examples general chemistry
Published on: Mar 3, 2016
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Transcripts - Naming ionic compounds examples

  • 1. Naming Ionic Compounds Part 4: Examples for Ionic Compound Nomenclature By Shawn P. Shields, Ph.D. This work is licensed by Shawn P. Shields-Maxwell under a Creative Commons Attribution-NonCommercial-ShareAlike 4.0
  • 2. Steps for Naming Inorganic Compounds 1) Write the name of the cation first. 2) If the anion is an element, name the anion using rule 3 and write it after the name of the cation. If the anion is a polyatomic ion, just write the name of the polyatomic ion after the name of the cation. 3) If the cation is a transition metal, write the charge as a Roman numeral in parentheses between the name of the cation and the anion.
  • 3. Mini Quiz: Naming Ionic Compounds Name the compound CaCl2
  • 4. Mini Quiz Solution: Naming Ionic Compounds Name the compound CaCl2 Write the name of the cation first. “Calcium” The anion is an element (chlorine) Remove the –ine and add –ide “Chloride” Is calcium a transition metal?
  • 5. Mini Quiz Solution: Naming Ionic Compounds Name the compound CaCl2 Write the name of the cation first. “Calcium” The anion is an element (chlorine) Remove the –ine and add –ide “Chloride” Calcium is not a transition metal, so disregard step 3 Finally, write the name of the cation followed by the name of the anion. The name of the compound is “calcium chloride”
  • 6. Mini Quiz: Naming Ionic Compounds Name the compound Na2O
  • 7. Mini Quiz Solution: Naming Ionic Compounds Name the compound Na2O Write the name of the cation first. “Sodium” The anion is an element (oxygen) Remove the –ygen and add –ide “oxide” Is sodium a transition metal?
  • 8. Mini Quiz Solution: Naming Ionic Compounds Name the compound Na2O Write the name of the cation first. “Sodium” The anion is an element (oxygen) Remove the –ygen and add –ide “oxide” Sodium is not a transition metal, so disregard step 3 Finally, write the name of the cation followed by the name of the anion. The name of the compound is “sodium oxide”
  • 9. Mini Quiz: Naming Ionic Compounds Name the compound CuO
  • 10. Mini Quiz Solution: Naming Ionic Compounds Name the compound CuO Let’s start by looking at the cation in CuO. How do we know the charge on the copper cation? In order to figure it out, we need to look at the anion. Oxygen (almost) always forms an anion with a 2 charge. In order to completely balance the charges, Cu needs to have a +2 charge. 2 + (+n) = 0 solving for n: n = 2 Now, let’s name the compound…
  • 11. Mini Quiz Solution: Naming Ionic Compounds Name the compound CuO Now that we know the charge on Cu (+2), we can name the cation by placing the charge in parentheses after the element name: “Copper (II)” The anion is an element (oxygen) Remove the –ygen and add –ide “oxide” Finally, write the name of the cation followed by the name of the anion. The name of the compound is “copper (II) oxide”
  • 12. Mini Quiz: Naming Ionic Compounds Name the compound Cu2O
  • 13. Mini Quiz Solution: Naming Ionic Compounds Name the compound Cu2O Let’s start again by looking at the cation in Cu2O. How do we know the charge on the copper cation? Recall: Oxygen (almost) always forms an anion with a 2 charge. There are two Cu ions this time, so we need to split the charge between them to cancel everything out. In order to completely balance the charges, each Cu needs to have a +1 charge. 2 + (+2n) = 0 solving for n: 2n = 2 n = 1
  • 14. Mini Quiz Solution: Naming Ionic Compounds Name the compound CuO Now that we know the charge on Cu (+1), we can name the cation by placing the charge in parentheses after the element name: “Copper (I)” The anion is an element (oxygen) Remove the –ygen and add –ide “oxide” Finally, write the name of the cation followed by the name of the anion. The name of the compound is “copper (I) oxide”