Chemical Bonds - Ionic Bonds Worksheet With Answers Page 7
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16Write the Formula / Formula Unit for the following Compounds
Determining the formula for Magnesium Fluoride?
2+
1
Identify the charges = Mg
F
1.
2+
1
Cross the Charges, Mg
F
= Mg
F
2.
1
2
If the subscript is a 1 it does not need to be written.
3.
If there is a common subscript such as 2 as in Mg
O
, reduce it to Mg
O
which is also MgO.
4.
2
2
1
1
Write Formula Unit For the Below Ionic Compounds
Name
Cation (+)
Anion (-)
Formula
1+
1-
1+
1-
Na
Cl
= NaCl
Na
Cl
1
Sodium Chloride
1
1
3+
1-
Al
Cl
2
Aluminum Chloride
3
Aluminum Phosphide
4
Magnesium Oxide
5
Cesium Fluoride
6
Strontium Nitride
7
Lithium Sulfide
8
Calcium Chloride
9
Sodium Bromide
10
Beryllium Iodide
11
Strontium Fluoride
12
Aluminum Fluoride
13
Potassium Nitride
14
Sodium Sulfide
15
Lithium Oxide
16
Calcium Oxide
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