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Nomenclature Practice (Part A)
Your responses must be in a color OTHER THAN black or red.DO NOT HIGHLIGHT YOUR RESPONSES!
I. THE NAMES OF CHEMICAL COMPOUNDS AND THEIR FORMULAS
“What’s in a name? That which we call a rose by any other word would smell as sweet” –Shakespeare
NAMING
Chemists name a compound according to the atoms and bonds that compose it. Look at the following compounds and answer the questions listed below.
Model 1: Ionic Compounds (those with ionic bonds)
| NAME | FORMULA |
| Magnesium Chloride | MgCl2 |
| Sodium Oxide | Na2O |
| Lithium Flouride | LiF |
| Cesium Bromide | CsBr |
| Barium Phosphide | Ba3P2 |
1. Which kind of elements are listed first: Metals/ Nonmetals/ Metalloids?
2. What is the sign of the charge in the first element?
3. Is the name of the first element changed at all? If so, How?
4. Which kinds of elements are listed second: Metal/ Non Metal/ Metalloid?
5. What is the sign of the charge for the second elements?
6. Is the name of the second elements changed at all? How?
7. Try to name these compounds:
NaCl : CaF2: MgS:
KI: Be3N2:
8. There will be different naming rules for different types of compounds. Summarize the rules for naming these types of compounds.
9. How will you know when to use these rules?
