APPENDIX C
TABLE OF COMMON ELEMENTS AND RADICALS
APPROX.
APPROX.
ATOMIC COMMON
ATOMIC COMMON
NAME
SYMBOL WEIGHT VALENCE
NAME
SYMBOL WEIGHT VALENCE
Aluminum
Al
27.0
+3
Sodium
Na
23.0
+1
Antimony
Sb
121.8
+3
Strontium
S
87.6
+2
As
74.9
+3
Sulfur
S
32.1
-2, +6
Barium
Ba
137.3
+2
Tin
Sn
118.7
+2, +4
Bismuth
Bi
209.0
+3
Tungsten
W
183.9
+6
Bromine
Br
79.9
-1
Zinc
Zn
65.4
+2
Calcium
Ca
40.1
+2
--------------------------------------
Carbon
C
12.0
+4
Ammonium
NH4
+1
Chlorine
Cl
35.5
-1
--------------------------------------
Chromium Cr
52.0
+3, +6
Acetate
C2H3O2
-1
Copper
Cu
63.5
+1, +2
Bicarbonate
HCO3
-1
F
19.0
-1
Bisulfate
HSO4
-1
Gold
Au
197.0
+3
Carbonate
CO3
-2
H
1.0
+1
Chlorate
ClO3
-1
Iodine
I
126.9
-1
Dichromate
Cr2O7
-2
Iron
Fe
55.8
+2, +3
Hydroxide
OH
-1
Lead
Pb
207.2
+2, +4
Hypochlorite
ClO
-1
Lithium
Li
6.9
+1
Nitrate
NO3
-1
-1
Magnesium Mg
24.3
+2
Nitrite
NO2
Manganese Mn
54.9
+2
Oxalate
C2O4
-2
Molybdenum Mo
95.9
+6
Permanganate MnO4
-1
Mercury
Hg
200.6
+1, +2
Phosphate
PO4
-3
Nickel
Ni
58.7
+2, +3
Monohydrogen
N
14.0
+3, -3
phosphate
HPO4
-2
Oxygen
O
16.0
-2
Dihydrogen
Phosphorus P
31.0
+5
phosphate
H2PO4
-1
Potassium K
39.1
+1
Sulfate
SO4
-2
Silicon
Si
28.1
+4
Sulfite
SO3
-2
Silver
Ag
107.9
+1
Tungstate
WO4
-2
MD0837
C-1
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