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Flashcards covering metric unit prefixes, base units, and polyatomic ion names and formulas for Honors Chemistry.
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Tera-
Metric prefix with abbreviation T, representing 1012.
Giga-
Metric prefix with abbreviation G, representing 109.
Mega-
Metric prefix with abbreviation M, representing 106.

kilo-
Metric prefix with abbreviation k, representing 103 (1 kilo=1000 base unit=103).
hecto-
Metric prefix with abbreviation h, representing 102.
deca-
Metric prefix with abbreviation da, representing 101.
Base Units
Fundamental units of measurement in the metric system, specified as meter, liter, gram, or second.
deci-
Metric prefix with abbreviation d, representing 10−1.
centi-
Metric prefix with abbreviation c, representing 10−2.
milli-
Metric prefix with abbreviation m, representing 10−3.
micro-
Metric prefix with abbreviation μ, representing 10−6.
nano-
Metric prefix with abbreviation n, representing 10−9.
pico-
Metric prefix with abbreviation p, representing 10−12.
Dihydrogen phosphate
Polyatomic ion with 1− charge and formula H2PO41−.
Acetate
Polyatomic ion with 1− charge and formula C2H3O21−.
Bromate
Polyatomic ion with 1− charge and formula BrO31−.
Hydrogen sulfite
Polyatomic ion with 1− charge and formula HSO31−.
Hydrogen sulfate
Polyatomic ion with 1− charge and formula HSO41−.
Hydrogen carbonate
Polyatomic ion with 1− charge and formula HCO31−.
Nitrite
Polyatomic ion with 1− charge and formula NO21−.
Nitrate
Polyatomic ion with 1− charge and formula NO31−.

Cyanide
Polyatomic ion with 1− charge and formula CN1−.
Hydroxide
Polyatomic ion with 1− charge and formula OH1−.
Permanganate
Polyatomic ion with 1− charge and formula MnO41−.
Hypochlorite
Polyatomic ion with 1− charge and formula ClO1−.
Chlorite
Polyatomic ion with 1− charge and formula ClO21−.
Chlorate
Polyatomic ion with 1− charge and formula ClO31−.
Perchlorate
Polyatomic ion with 1− charge and formula ClO41−.
Hydrogen phosphate
Polyatomic ion with 2− charge and formula HPO42−.
Oxalate
Polyatomic ion with 2− charge and formula C2O42−.
Sulfite
Polyatomic ion with 2− charge and formula SO32−.
Sulfate
Polyatomic ion with 2− charge and formula SO42−.
Carbonate
Polyatomic ion with 2− charge and formula CO32−.
Chromate
Polyatomic ion with 2− charge and formula CrO42−.
Dichromate
Polyatomic ion with 2− charge and formula Cr2O72−.
Silicate
Polyatomic ion with 2− charge and formula SiO32−.
Phosphate
Polyatomic ion with 3− charge and formula PO43−.
Phosphite
Polyatomic ion with 3− charge and formula PO33−.
Arsenate
Polyatomic ion with 3− charge and formula AsO43−.
Ammonium
Polyatomic ion with 1+ charge and formula NH4+.

Polyatomic Ion Reference Chart
Chart categorizing polyatomic ions by charge (1−, 2−, 3−, and 1+) along with their formulas and names.