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H
Hydrogen
C
Carbon
N
Nitrogen
O
Oxygen
P
Phosphorus
S
Sulfur
Sn
Tin
F
Flourine
Cl
Chlorine
Br
Bromine
I
Iodine
Si
Silicon
Ba
Barium
Li
Lithium
Na
Sodium
K
Potassium
Mg
Magnesium
Ca
Calcium
Sr
Strontium
Cr
Chromium
Mn
Manganese
Fe
iron
Co
Cobalt
Ni
Nickel
Zn
Zinc
Hg
Mercury
Cu
Copper
Ag
Silver
Au
gold
Al
Aluminum
Pb
Lead
Acetate
C2H3O2-
Ammonium
NH4+
Bicarbonate
HCO3-
Carbonate
CO3 2-
Chlorate
ClO3-
Chromate
CrO4 2-
Cyanide
CN-
Dichromate
Cr2O7 2-
Hydroxide
OH-
Hypochlorite
OCl-
nitrate
NO3-
nitrite
NO2-
oxalate
C2O4 2-
perchlorate
ClO4-
Permanganate
MnO4-
peroxide
O2 2-
phosphate
PO4 3-
sulfate
SO4 2-
sulfite
SO3 2-
Thiocyanate
SCN-
Alkali metals
always 1+
Metals
always +
alkaline earth metals
always 2+
silver
always 1+
zinc
always 2+
aluminum
always 3+
bismuth
3+/5+
copper
2+/1+
iron
2+/3+
Chromium
3+/6+/2+
Manganese
2+/7+/4+
nickel
2+/3+
cobalt
2+/3+
tin
2+/4+
lead
2+/4+
mercury
2+/1+(Hg 2+, Hg2 2+)
nometals
always -
Halides
-1
oxide/sulfide/selenide
2-
nitride/phosphide
-3
Sulfuric acid
H2SO4
Nitric Acid
HNO3
Hydrochloric acid
HCl
Chloric Acid
HClO3
Perchloric Acid
HClO4
Hydroiodic Acid
HI
Hydrobromic acid
HBr
Strong Bases
Alkali metal hydroxides and alkaline eart metal hydroxides
Common Weak Acids
NH3 ammonia(base) and CH3COOH(HC2H3O2) Acetic acid
Diatomic Elements
H2,N2,02,F2,Cl2,Br2,I2