This will allow a chemistry student to name chemical compounds.
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Does the formula begin with Hydrogen (H)?
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NO
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YES
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It is a COVALENT Compound!!!!
1) Name the element that is the cation
2) Add a prefix to indicate the number present if greater than one.
3) Name the element that is the anion
4) Add a prefix to indicate the number present.
1 – mono
2 – di
3 – tri
4 – tetra
5 – penta
6 – hex
7 – hept
8 – oct
9 – nono
10 – deca
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Does the formula consist of ONLY two non-metal elements?
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Is it aqueous?
(dissolved in water?)
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NO
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NO
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YES
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Write the name of the Cation: "Ammonium"
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It is an IONIC Compound!!!!!
Does the formula start with NH4?
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It is an Acid!!!
When finished, add "acid" to the end of the name….
Is the anion polyatomic?
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NO
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NO
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YES
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Write the name of the first element. Add the charge in Roman numerals in parenthesis
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Does the formula start with an element with more than one oxidation state (charge)?
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Begin name with "Hydro-" add the name of the second element with "-ic" ending,
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Name the base element of the polyatomic and add the following ending based on the polyatomic ending:
Does the polyatomic ion name end with "-ate?"
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NO
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NO
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YES
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Is the anion polyatomic?
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Write the name of the first element listed.
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Change ending to "-ous"
Remember to add "acid" to name
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Change ending to "-ic"
Remember to add "acid" to name
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YES
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NO
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Name the polyatiomic ion
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Name the second element in the formula with "-ide" ending.
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