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Module 2 Foundations in Chemistry
Chapter 2 Atoms, ions and compounds
2.3 Compounds, formulae and equations
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Jayden Clauer
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Transition metals can form ions with different
charges
which is determined by its
oxidation number
Ionic compounds have a
neutral
charge overall
Balancing equations
write
formulae
of the
reactants
and
products
multiply
each formula until both sides contain the
same
number of each
atom
Ionic equations don't use
spectator
ions
Nitrate
ion =
NO3-
Carbonate
ion =
CO3 2-
Sulfate ion =
SO4 2-
Hydroxide ion =
OH-
Ammonium
ion =
NH4-
Zinc ion
=
Zn 2+
Silver ion =
Ag+