4 binary compounds

1. Binary CompoundsBinary Compounds

2. Binary Compounds-Binary Compounds- a a
compound that is made up compound that is made up
of 2 elements.of 2 elements.
Look for 2 capital letters.Look for 2 capital letters.
Ex: NaClEx: NaCl
HH
2200
FeOFeO

3. Steps in Writing Binary Steps in Writing Binary
FormulasFormulas
2.2.Write the symbol of the Write the symbol of the
element that has a positive element that has a positive
charge.charge.
3.3.Write the symbol of the Write the symbol of the
element that has a element that has a
negative charge.negative charge.

4. 1.1.Add subscripts so that the Add subscripts so that the
sum of the oxidation sum of the oxidation
number equals zero.number equals zero.
Ex: Sodium and ChlorineEx: Sodium and Chlorine
NaNa
+1+1
ClCl
-1-1
Na
→
Na
→
+1+1
ClCl
-1-1
Ex: Hydrogen and OxygenEx: Hydrogen and Oxygen
HH
+1+1
OO
-2-2

→

→
H H
22OO

5. Write the formulaWrite the formula
1.1.Magnesium & ChlorineMagnesium & Chlorine
2.2.Carbon & OxygenCarbon & Oxygen
3.3.Boron & FluorineBoron & Fluorine
4.4.Copper II & ChlorineCopper II & Chlorine
5.5.Chromium III & FluorineChromium III & Fluorine

6. 6. Lead IV & Oxygen6. Lead IV & Oxygen
7. Iron II & Nitrogen7. Iron II & Nitrogen
8. Carbon & Fluorine8. Carbon & Fluorine
9. Calcium & Phosphorus9. Calcium & Phosphorus
10. Aluminum & Sulfur10. Aluminum & Sulfur

7. Steps in Naming Binary Steps in Naming Binary
CompoundsCompounds
•Write the name of the 1Write the name of the 1
stst

element.element.
•Write the root of the name Write the root of the name
of the 2of the 2
ndnd
element. element.
•Add the ending -ide instead Add the ending -ide instead
of -ine.of -ine.

8. Elements with -ide ending Elements with -ide ending
(Put on back of Periodic Table)(Put on back of Periodic Table)
Chlorine = ChlorChlorine = Chlorideide
Fluorine = FluorFluorine = Fluorideide
Phosphorus = PhosphPhosphorus = Phosphideide
Nitrogen = NitrNitrogen = Nitrideide
Oxygen = OxOxygen = Oxideide

9. Sulfur = SulfSulfur = Sulfideide
Bromine = BromBromine = Bromideide
Iodine = IodIodine = Iodideide
Astatine = AstatAstatine = Astatideide

10. Ex: NaClEx: NaCl= =
Sodium ChlorideSodium Chloride
HH
220 = 0 =
Hydrogen OxideHydrogen Oxide
CrO = CrO =
Chromium II OxideChromium II Oxide

11. Name these Binary CompoundsName these Binary Compounds
•LiSLiS
•MgFMgF
22
•FeOFeO
•CuClCuCl