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Charges and Symbols
Charges for metals/nonmetals and their symbols
41
Chemistry
10th Grade
12/15/2008
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Term
Ammonium
 Definition
NH4 +1
Term
Mercurous
 Definition
Hg +1 (lower form)
Term
Magnesium
 Definition
Mg +2
Term
Ferric
 Definition
Fe +3 (higher form)
Term
Chromium (III)
 Definition
Cr +3
Term
Stannic
 Definition
Sn +4 (aka "Tin (IV)," higher form)
Term
Carbon
 Definition
C +4
Term
Lead (IV)
 Definition
Pb +4
Term
Fluoride
 Definition
F -1
Term
Chloride
 Definition
Cl -1
Term
Bromide
 Definition
Br -1
Term
Iodide
 Definition
I -1
Term
Hydroxide
 Definition
OH -1
Term
Bisulfate
 Definition
HSO4 -1
Term
Bicarbonate
 Definition
HCO3 -1
Term
Nitrite
 Definition
NO2 -1
Term
Nitrate
 Definition
NO3 -1
Term
Chlorate
 Definition
ClO3 -1
Term
Hypochlorite
 Definition
ClO -1
Term
Permanganate
 Definition
MnO4 -1
Term
Acetate
 Definition
C2H3O2 -1
Term
Hydride
 Definition
H -1
Term
Oxide
 Definition
O -2
Term
Peroxide
 Definition
O2 -2
Term
Sulfide
 Definition
S -2
Term
Sulfite
 Definition
SO3 -2
Term
Sulfate
 Definition
SO4 -2
Term
Carbonate
 Definition
CO3 -2
Term
Chromate
 Definition
CrO4 -2
Term
Nitride
 Definition
N -3
Term
Phosphate
 Definition
PO4 -3
Term
Which symbol goes first?
 Definition
Metal or more metallic (lower charge)
Term
Total charge of a compound must be zero (t/f)?
 Definition
true
Term
Which postfix presents a lower charge "ic" or "ous"
 Definition
ous
Term
What postfix identicates a binary compound?
 Definition
ide
Term
What is the symbol for radical non-metals?
 Definition
"ite" or "ate" with "ate" usually having more Oxygens.
Term
What does "bi" indicate?
 Definition
an additional "H" and increases total charge by 1 (ex. Bicarbonate is -1 and carbonate is -2)
Term
What is "peroxide"?
 Definition
Two Oxygens
Term
Which are negatively charged - anions or cations?
 Definition
anions
Term
When hydrogen is found in a binary compound, what is the total charge and what is this compound called?
 Definition
-1 and a "hydride."
Term
Prefixes "DI," "TRI," "TETRA," "PENT," "IDEX," and for what situations do we use this?
 Definition
Di-2, Tri-3, Tetra-4, Pent-5, Idex-6; all compounds (with 2+ elements) which have a charge not zero except for C,N,P,S - where we name it as is.
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