Understanding Naming Ionic Compounds and Formulas

Ions and salts play a crucial role in forming solid compounds known as salts. By following specific rules, you can name ionic compounds based on the cation and anion present. Determining formulas involves identifying charges and balancing them. Explore the process through examples like KCl, MgO, AlCl3, CaF2, and more.

• Ionic Compounds
• Naming Rules
• Formulas
• Cations
• Anions

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1. Naming Ionic Compounds

2. Ions and salts Ions can be single atoms, as the sodium and chlorine in common table salt (sodium chloride), or more complex (polyatomic) groups such as the carbonate in calcium carbonate An ionic bond, one bonder must have a positive charge and the other a negative one Most cations and anions can combine to form solid compounds that are usually known as salts and their net charge must be neutral

3. ionic compound is named first by its cation and then by its anion Naming Ionic Compounds For example, K+1 is called the potassium ion, just as K is called the potassium atom cation has the same name as its element

4. anion is named by taking the elemental name, removing the ending, and adding -ide For example, F-1 is called fluoride, for the elemental name, fluorine. -ine was removed and replaced with -ide Naming Ionic Compounds To name a compound, the cation name and the anion named are added together For example, NaF is also known as sodium fluoride

5. Try naming the Compounds! KCl MgO AlCl3 CaF2

6. Determining the formula for Magnesium Fluoride? Identify the charges = Mg2+ F-1 Cross the Charges, Mg2+F-1 If the subscript is a 1 it does not need to be written. If there is a common subscript such as 2 as in Mg2O2, reduce it to Mg1O1which is also MgO. = Mg1F2

7. Try it! Sodium Chloride Aluminum Chloride Magnesium Nitride

8. Stop

9. Ionic compounds With Metals Iron (III) indicates a +3 charge Lead (V) indicates a +5 charge

10. Name to Formula Nickel (II) Chloride Cr (IV) Oxide

11. Formula to Name Fe2O3 Y3N3