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NAMING - IONIC COMPOUNDS
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Charges or Oxidation Numbers
Group 1A ________
Group 2A ________
Group 3A ________
Group 4A ________
Group 5A ________
Group 6A ________
Group 7A ________
Group 8A ________
The charges of ________________, or ions containing only one atom, can often be determined by referring to the periodic table
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Ions
An ________ is an atom or group of combined atoms that has a charge.
A compound that is composed of ions is called an ____________________.
Ionic compounds are usually start with a ________ or ________
In ionic compounds, you will ________ valence electrons
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Ions
A ________, or positive ion, is formed when an atom
________ one or more electrons.
An ________, or negative ion, is formed when an
atom ________ one or more electrons.
A ________ ion is one element with a charge
A ________ ion is more that one element with a
charge
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Formation of Ionic Compounds
Remember that objects with opposite charges
________ .
The strong attractive force between ions of opposite charge is called an ____________.
Don’t forget that even though the ions have charges,
the overall charge of the compound will be …
________
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Examples of Formula Writing
Write the formula for the compound formed
between sodium and chloride
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More examples
Write the formula between Mg and Br
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More examples
Write the formula for the compound formed
between Ca and S
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Polyatomic Ions
Polyatomic ions are groups of covalently bonded
atoms that have a charge
For example:
SO4 -2
NO3 –1
ClO3 –1
NH4 +1
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Polyatomic Ions
Writing formulas with polyatomic ions is the same.
You just have to keep the polyatomic ions grouped
together
When you bring a number down to a polyatomic
ion you MUST use parentheses!
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Formula writing with polyatomic Ions
Write the formula for the compound formed
between sodium and nitrate
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Formula writing with polyatomic Ions
Write the formula between ammonium and sulfate
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More examples
Copper (II) and chlorine
Silver and Nitrate
Magnesium and sulfite
Calcium and sulfur
Potassium and oxygen
Ammonium and phosphate
Ammonium and chlorine
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Don’t Forget!
You have to remember the elements that form
multiple charges (the ones with the roman numerals)
That roman numeral will tell you the ________!
For example: Copper (II) Cu +2
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Naming ionic compounds
In naming ionic compounds, name the ________ first, then the ________.
Monatomic ________ use the element name.
Monatomic ________ use the root of the element name plus the suffix -ide.
(This means 1 element with a negative charge will end in –ide).
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Oxyanions
Certain polyatomic ions, called ________, contain
oxygen and another element.
If two different oxyanions can be formed by an
element, the suffix -ate is used for the oxyanion
containing more oxygen atoms, and the suffix -ite
for the oxyanion containing fewer oxygens.
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For example
SO4 -2
SO3 -2
PO4 -3
PO3 -3
NO3 -1
NO2 -1
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Oxyanions
Four oxyanions can be formed by the halogens
In this case:
Most – Per (root) – ate
1 less – (root) – ate
1 less – root – ite
1 less – hypo (root) - ite
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For example
ClO4 -1
ClO3 -1
ClO2 -1
ClO -1
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Simply put..
All you have to do is name the 1st thing then name
the 2nd thing
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Examples
NaCl
MgSO4
K3PO4
Ca(ClO3)2
NH4NO2
Al(ClO)3
CuSO3
Fe(NO3)2
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More examples
Lead (IV) Oxide
Ammonium Permanganate
Cobalt (II) chloride
Calcium sulfide
Lithium nitrate
Sodium acetate
Tin (II) chloride