Bonding And Nomenclature Chemical Worksheet - Unit 6 Page 4
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16Polyatomic Ions
• Ions formed from a single atom are known as
ions.
• You wrote formulas for ionic compounds using monoatomic ions. Many ionic and
covalent compounds found in chemistry contain polyatomic ions, which are ions
made up of
.
• Practice writing ionic formulas using polyatomic ions:
BaCO
Al
(SO
)
3
2
4
3
Zn(ClO)
Pb(C
H
O
)
2
2
3
2
2
Cobalt (III) Nitrate
Ammonium Chloride
Silver Chlorate
Barium Phosphate
• How would you write the formula for calcium hydroxide?
.
Is there a difference between CaOH
& Ca(OH)
? Circle the correct formula.
2
2
• When more than one polyatomic ion is present, the formula for the polyatomic
ion is surrounded by
.
Unit 6: Bonding and Nomenclature
Page 15
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