Pre-Lab Assignment
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1
2Pattern Recognition Prelab Exercises
1.
Do metals
typically form
anions
or
cations?
(circle
one)
2.
Do
nonmetals
typically
form
anions
or cations? (circle one)
3.
In the name of an ionic compound, which ion is always written first - the
anion or the cation? (circle one)
4.
For metal ions from groups 1, 2, or 3 (the main group metals) in ionic
compounds, how does the name of the cation differ from the name of the
metal?
5.
For nonmetals, how does the name of the anion differ from the name of the
element?
6.
Consider the formula for magnesium fluoride, MgF 2 .
a.
What is the charge on the magnesium ion? ____
b.
What is the charge on the fluoride ion? ____
c.
What is the overall (total) charge on the compound? ____
7.
What is the overall charge on the compound sodium bromide (NaBr)? ____
8.
In general, what is the overall charge on an ionic compound? ____
9.
Complete the following
table:
Formula
Name
a.
CoCl
_______________________________________________
4
b. Ba(OH)
__________________________________________
2
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