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Chemical Nomenclature. calcium carbonate CaCO 3. CO 3 2- carbonate. Naming Complex Ionic Compounds. contain polyatomic ions. Mnemonic N I CK the NO 3 - or nitrate C A M E L had a CO 3 2- or carbonate

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slide1

Chemical Nomenclature

calcium carbonate

CaCO3

CO32-

carbonate

Naming Complex Ionic Compounds

  • contain polyatomic ions
name the polyatomic ion

Mnemonic

NICK the NO3-or nitrate

CAMEL had a CO32-or carbonate

CLAM for ClO3- or chlorate

SUPPER in SO42- or sulfate

PHOENIX PO43-orphosphate

Hi, I’m Nick

Name the polyatomic ion:

NaNO3

NO3-or nitrate

NaHCO3

HCO3-or hydrogen carbonate

NaOH

OH-or hydroxide

slide3

Examples:

Na2SO4

Ba (ClO)2

NH4NO3

The Rules– formula to name

1. Write down name of + ion.

2. Write down name of – ion.

sodium

sulfate

barium

hypochlorite

ammonium

nitrate

slide4

Examples:

potassium phosphate

K3PO4

sodium acetate

NaCH3COO

magnesium hydroxide

Mg(OH)2

Name to formula - The Rules

1. Write down symbol & charge of + ion.

2. Write down symbol & charge of – ion.

3. Balance # of each ion until net charge = zero.

K+

PO43-

3 of these 1 of these

Na+

CH3COO-

1 of these 1 of these

Mg2+

OH-

1 of these 2 of these

slide5

Ticket out of Class

KMnO4 - name?

Magnesium nitrite - formula?

… and why?

References:

McGraw-Hill Ryerson. 2001. Chemistry 11. Toronto.

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