Many ions are monoatomic BUT Most ions are polyatomic gt1 atom 3300701bNames amp Formulas Polyatomic There are five common polyatomic ions nitrate NO 3 carbonate CO 3 2 ID: 466709
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Slide1
Polyatomic Ions
Many ions are monoatomic BUTMost ions are polyatomic (>1 atom)
330.07.01b.Names & Formulas - PolyatomicSlide2
There are
five common polyatomic ions:nitrate NO
3
–
carbonate CO
3
2–
(carbonated water)
chlorate ClO
3
–
sulfate SO
4
2–
phosphate PO
4
3
–
(cola)Slide3
There are
five common polyatomic ions:note:
they all contain oxygen
they all end in –ATE
(signifies the most common form)
there’s no simple correlation between the number of
oxygens
and the charge
(easiest is to memorize)Slide4
N
ick the Camel ate a
Cl
am for
S
upper in PhoenixWhat are the patterns?What does the first letter in the name represent?The number of constants relates to what?The number of vowels relate to what?
Mnemonic (if they work for you; if not, memorize)Slide5
N
ick nitrateCamel carbonate
ate
(all end in ate)
Cl
am chlorateSupper sulfatePhoenix phosphate
Nick the Camel ate a Clam for Supper in PhoenixSlide6
Consonants = number of
oxygensVowels = charge
N
ick the
C
amel
ate a Clam for Supper in Phoenixnitrate NO3–Slide7
Five Common polyatomic i
ons:nitrate NO3
–
carbonate CO
3
2– chlorate ClO3–sulfate SO42–phosphate PO43–
Slide8Slide9
Derivatives of the Five Common Polyatomic Ions
Ion
Formula
Charge
# O’schlorateClO3–
perchlorateClO4–chloriteClO2–hypochloriteClO–
What’s the similarities & differences between names & charges?Slide10
Polyatomic Ions for Which You Are Responsible
Slide11