Template:Infobox element/symbol-to-oxidation-state/testtable

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Z Name Symbol complete main group val note
 
1 hydrogen H −1, +1 (an amphoteric oxide) −1, +1 1 I
2 helium He 0 0 18 0
3 lithium Li +1 (a strongly basic oxide) +1 1 I
4 beryllium Be +1,[1] +2 (an amphoteric oxide) +2 2 II
5 boron B −5, −1, +1, +2, +3[2][3] (a mildly acidic oxide) +3 13 III
6 carbon C −4, −3, −2, −1, 0, +1,[4] +2, +3,[5] +4[6] (a mildly acidic oxide) −4, +4 14 IV
7 nitrogen N −3, −2, −1, +1, +2, +3, +4, +5 (a strongly acidic oxide) −3, +3, +5 15 V
8 oxygen O −2, −1, 0, +1, +2 −2 16 VI
9 fluorine F −1 (oxidizes oxygen) −1 17 VII
10 neon Ne 0 0 18 0
11 sodium Na −1, +1 (a strongly basic oxide) +1 1 I
12 magnesium Mg +1,[7] +2 (a strongly basic oxide) +2 2 II
13 aluminium Al −2, −1, +1,[8] +2,[9] +3 (an amphoteric oxide) +3 13 III
14 silicon Si −4, −3, −2, −1, +1,[10] +2, +3, +4 (an amphoteric oxide) −4, +4 14 IV
15 phosphorus P −3, −2, −1, +1,[11] +2, +3, +4, +5 (a mildly acidic oxide) −3, +3, +5 15 V
16 sulfur S −2, −1, +1, +2, +3, +4, +5, +6 (a strongly acidic oxide) −2, +2, +4, +6 16 VI
17 chlorine Cl −1, +1, +2, +3, +4, +5, +6, +7 (a strongly acidic oxide) −1, +1, +3, +5, +7 17 VII
18 argon Ar 0 0 18 0
19 potassium K −1, +1 (a strongly basic oxide) +1 1 I
20 calcium Ca +1,[12] +2 (a strongly basic oxide) +2 2 II
21 scandium Sc +1,[13] +2,[14] +3 (an amphoteric oxide) +3 3 III
22 titanium Ti −2, −1, +1, +2, +3, +4[15] (an amphoteric oxide) +4 4 IV
23 vanadium V −3, −1, 0, +1, +2, +3, +4, +5 (an amphoteric oxide) +5 5 V
24 chromium Cr −4, −2, −1, 0, +1, +2, +3, +4, +5, +6 (depending on the oxidation state, an acidic, basic, or amphoteric oxide) +3, +6 6 VI
25 manganese Mn −3, −2, −1, 0, +1, +2, +3, +4, +5, +6, +7 (depending on the oxidation state, an acidic, basic, or amphoteric oxide) +2, +4, +7 7 VII
26 iron Fe −4, −2, −1, 0, +1,[16] +2, +3, +4, +5,[17] +6, +7[18] (an amphoteric oxide) +2, +3, +6 8 VIII
27 cobalt Co −3, −1, 0, +1, +2, +3, +4, +5[19] (an amphoteric oxide) +2, +3 9 VIII
28 nickel Ni −2, −1, 0, +1,[20] +2, +3, +4[21] (a mildly basic oxide) +2 10 VIII
29 copper Cu −2, +1, +2, +3, +4 (a mildly basic oxide) +2 11 I
30 zinc Zn −2, 0, +1, +2 (an amphoteric oxide) +2 12 II
31 gallium Ga −5, −4, −3,[22] −2, −1, +1, +2, +3[23] (an amphoteric oxide) +3 13 III
32 germanium Ge −4 −3, −2, −1, 0, +1, +2, +3, +4 (an amphoteric oxide) −4, +2, +4 14 IV
33 arsenic As −3, −2, −1, +1,[24] +2, +3, +4, +5 (a mildly acidic oxide) −3, +3, +5 15 V
34 selenium Se −2, −1, +1,[25] +2, +3, +4, +5, +6 (a strongly acidic oxide) −2, +2, +4, +6 16 VI
35 bromine Br −1, +1, +3, +4, +5, +7 (a strongly acidic oxide) −1, +1, +3, +5 17 VII
36 krypton Kr 0, +1, +2 (rarely more than 0; oxide is unknown) 0 18 0
37 rubidium Rb −1, +1 (a strongly basic oxide) +1 1 I
38 strontium Sr +1,[26] +2 (a strongly basic oxide) +2 2 II
39 yttrium Y 0,[27] +1, +2, +3 (a weakly basic oxide) +3 3 III
40 zirconium Zr −2, +1,[28] +2, +3, +4 (an amphoteric oxide) +4 4 IV
41 niobium Nb −3, −1, +1, +2, +3, +4, +5 (a mildly acidic oxide) +5 5 V
42 molybdenum Mo −4, −2, −1, 0, +1,[29] +2, +3, +4, +5, +6 (a strongly acidic oxide) +4, +6 6 VI
43 technetium Tc −3, −1, 0, +1,[30] +2, +3,[30] +4, +5, +6, +7 (a strongly acidic oxide) +4, +7 7 VII
44 ruthenium Ru −4, −2, 0, +1,[31] +2, +3, +4, +5, +6, +7, +8 (a mildly acidic oxide) +3, +4 8 VIII
45 rhodium Rh −3, −1, 0, +1,[32] +2, +3, +4, +5, +6 (an amphoteric oxide) +3 9 VIII
46 palladium Pd 0, +1, +2, +3, +4 (a mildly basic oxide) +2, +4 10 VIII
47 silver Ag −2, −1, +1, +2, +3 (an amphoteric oxide) +1 11 I
48 cadmium Cd −2, +1, +2 (a mildly basic oxide) +2 12 II
49 indium In −5, −2, −1, +1, +2, +3[33] (an amphoteric oxide) +3 13 III
50 tin Sn −4, −3, −2, −1, +1,[34] +2, +3,[35] +4 (an amphoteric oxide) −4, +2, +4 14 IV
51 antimony Sb −3, −2, −1, +1, +2, +3, +4, +5 (an amphoteric oxide) −3, +3, +5 15 V
52 tellurium Te −2, −1, +1, +2, +3, +4, +5, +6 (a mildly acidic oxide) −2, +2, +4, +6 16 VI
53 iodine I −1, +1, +3, +4, +5, +6, +7 (a strongly acidic oxide) −1, +1, +3, +5, +7 17 VII
54 xenon Xe 0, +1, +2, +4, +6, +8 (rarely more than 0; a weakly acidic oxide) 0 18 0
55 caesium Cs −1, +1[36] (a strongly basic oxide) +1 1 I
56 barium Ba +1, +2 (a strongly basic oxide) +2 2 II
57 lanthanum La 0,[27] +1, +2, +3 (a strongly basic oxide) +3 3 III
58 cerium Ce +1, +2, +3, +4 (a mildly basic oxide) +3, +4 n/a -
59 praseodymium Pr 0,[27] +1,[37] +2, +3, +4, +5 (a mildly basic oxide) +3 n/a -
60 neodymium Nd 0,[27] +2, +3, +4 (a mildly basic oxide) +3 n/a -
61 promethium Pm +2, +3 (a mildly basic oxide) +3 n/a -
62 samarium Sm 0,[27] +1, +2, +3 (a mildly basic oxide) +3 n/a -
63 europium Eu +1, +2, +3 (a mildly basic oxide) +2, +3 n/a -
64 gadolinium Gd 0,[27] +1, +2, +3 (a mildly basic oxide) +3 n/a -
65 terbium Tb 0,[27] +1, +2, +3, +4 (a weakly basic oxide) +3 n/a -
66 dysprosium Dy 0,[27] +1, +2, +3, +4 (a weakly basic oxide) +3 n/a -
67 holmium Ho 0,[27] +1, +2, +3 (a basic oxide) +3 n/a -
68 erbium Er 0,[27] +1, +2, +3 (a basic oxide) +3 n/a -
69 thulium Tm +2, +3 (a basic oxide) +3 n/a -
70 ytterbium Yb +1, +2, +3 (a basic oxide) +3 n/a -
71 lutetium Lu 0,[27] +1, +2, +3 (a weakly basic oxide) +3 n/a -
72 hafnium Hf −2, +1, +2, +3, +4 (an amphoteric oxide) +4 4 IV
73 tantalum Ta −3, −1, +1, +2, +3, +4, +5 (a mildly acidic oxide) +5 5 V
74 tungsten W −4, −2, −1, 0, +1, +2, +3, +4, +5, +6 (a mildly acidic oxide) +4, +6 6 VI
75 rhenium Re −3, −1, 0, +1, +2, +3, +4, +5, +6, +7 (a mildly acidic oxide) +4 7 VII
76 osmium Os −4, −2, −1, 0, +1, +2, +3, +4, +5, +6, +7, +8 (a mildly acidic oxide) +4 8 VIII
77 iridium Ir −3, −1, 0, +1, +2, +3, +4, +5, +6, +7, +8, +9[38] +3, +4 9 VIII
78 platinum Pt −3, −2, −1, +1, +2, +3, +4, +5, +6 (a mildly basic oxide) +2, +4 10 VIII
79 gold Au −3, −2, −1, +1, +2, +3, +5 (an amphoteric oxide) +1, +3 11 I
80 mercury Hg −2 , +1 (mercurous), +2 (mercuric) (a mildly basic oxide) +2 12 II
81 thallium Tl −5,[39] −2, −1, +1, +2, +3 (a mildly basic oxide) +1, +3 13 III
82 lead Pb −4, −2, −1, +1, +2, +3, +4 (an amphoteric oxide) +2, +4 14 IV
83 bismuth Bi −3, −2, −1, +1, +2, +3, +4, +5 (a mildly acidic oxide) +3 15 V
84 polonium Po −2, +2, +4, +5,[40] +6 (an amphoteric oxide) −2, +2, +4 16 VI
85 astatine At −1, +1, +3, +5, +7[41] −1, +1 17 VII
86 radon Rn 0, +2, +6 0 18 0
87 francium Fr +1 (a strongly basic oxide) +1 1 I
88 radium Ra +2 (expected to have a strongly basic oxide) +2 2 II
89 actinium Ac +2, +3 (a strongly basic oxide) +3 3 III
90 thorium Th +1, +2, +3, +4 (a weakly basic oxide) +4 n/a -
91 protactinium Pa +2, +3, +4, +5 (a weakly basic oxide) +5 n/a -
92 uranium U +1, +2, +3,[42] +4, +5, +6 (a weakly basic oxide) +6 n/a -
93 neptunium Np +2, +3, +4,[43] +5, +6, +7 (an amphoteric oxide) +5 n/a -
94 plutonium Pu +1, +2, +3, +4, +5, +6, +7 (an amphoteric oxide) +4 n/a -
95 americium Am +2, +3, +4, +5, +6, +7 (an amphoteric oxide) +3 n/a -
96 curium Cm +2, +3, +4, +5,[44] +6[45] (an amphoteric oxide) +3 n/a -
97 berkelium Bk +2, +3, +4, +5[44] +3 n/a -
98 californium Cf +2, +3, +4, +5[46][44] +3 n/a -
99 einsteinium Es +2, +3, +4 +3 n/a -
100 fermium Fm +2, +3 +3 n/a -
101 mendelevium Md +2, +3 +3 n/a -
102 nobelium No +2, +3 +2 n/a -
103 lawrencium Lr +3 +3 n/a -
104 rutherfordium Rf (+2), (+3), +4[47][48][49] (parenthesized: prediction) (+3), +4 (parenthesized: prediction) 4 IV
105 dubnium Db (+3), (+4), +5[48][49] (parenthesized: prediction) +5 5 V
106 seaborgium Sg 0, (+3), (+4), (+5), +6[48][49] (parenthesized: prediction) (+4), +6 (parenthesized: prediction) 6 VI
107 bohrium Bh (+3), (+4), (+5), +7[48][49] (parenthesized: prediction) (+3), (+4), (+5), +7 (parenthesized: prediction) 7 VII
108 hassium Hs (+2), (+3), (+4), (+5), (+6), +8[48][50][49][51] (parenthesized: prediction) (+2), (+4), (+6), +8 (parenthesized: prediction) 8 VIII
109 meitnerium Mt (+1), (+3), (+4), (+6), (+8), (+9) (predicted)[48][52][53][49] (+1), (+3), (+6) (predicted) 9 VIII
110 darmstadtium Ds (0), (+2), (+4), (+6), (+8) (predicted)[48][49] (0), (+2), (+8) (predicted) 10 VIII
111 roentgenium Rg (−1), (+1), (+3), (+5), (+7) (predicted)[48][49][54] (+3) (predicted) 11 I
112 copernicium Cn 0, (+1), +2, (+4) (parenthesized: prediction)[48][55][49] 0, +2 12 II
113 nihonium Nh (−1), (+1), (+3), (+5) (predicted)[48][49][56] (+1), (+3) (predicted) 13 III
114 flerovium Fl (0), (+1), (+2), (+4), (+6) (predicted)[48][49][57] (+2) (predicted) 14 IV
115 moscovium Mc (+1), (+3) (predicted)[48][49] (+1), (+3) (predicted) 15 V
116 livermorium Lv (−2),[58] (+2), (+4) (predicted)[48] (+2) (predicted) 16 VI
117 tennessine Ts (−1), (+1), (+3), (+5) (predicted)[49][48] (+1), (+3) (predicted) 17 VII
118 oganesson Og (−1),[48] (0), (+1),[59] (+2),[60] (+4),[60] (+6)[48] (predicted) (+2), (+4) (predicted) 18 0
119 ununennium Uue (+1), (+3) (predicted)[48] (+1) (predicted) 1 I
120 unbinilium Ubn (+1),[61] (+2), (+4) (predicted)[48] (+2) (predicted) 2 II
121 unbiunium Ubu (+1), (+3) (predicted)[48][62] (+3) (predicted) 3 III
122 unbibium Ubb (+4) (predicted)[63] (+4) (predicted) -
123 unbitrium Ubt (+5) (predicted)[63] (+5) (predicted)
124 unbiquadium Ubq (+6) (predicted)[63] (+6) (predicted)
125 unbipentium Ubp (+1), (+6), (+7) (predicted)[63] (+6), (+7) (predicted)
126 unbihexium Ubh (+1), (+2), (+4), (+6), (+8) (predicted)[63] (+4), (+6), (+8) (predicted)

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