lithium

Li⁺

-3,04

potassium

K⁺

-2,92

calcium

Ca²⁺

-2,76

sodium

Na⁺

-2,71

magnesium

Mg²⁺

-2,34

titanium

Ti²⁺

-1,77

aluminium

Al³⁺

-1,66

manganese

Mn²⁺

-1,19

vanadium

V²⁺

-1,18

niobium

Nb³⁺

-1,10

zinc

Zn²⁺

-0,76

chromium

Cr³⁺

-0,71

iron

Fe²⁺

-0,44

cadmium

Cd²⁺

-0,40

cobalt

Co²⁺

-0,28

nickel

Ni²⁺

-0,25

molybdenum

Mo³⁺

-0,20

tin

Sn²⁺

-0,14

lead

Pb²⁺

-0,12

hydrogen

2H⁺

0

copper

Cu²⁺

+0,35

silver

Ag⁺

+0,80

mercury

Hg²⁺

+0,85

platinum

Pt²⁺

+1,12

gold

Au³⁺

+1,50

Nonmetal
element

n-fold
negative
metal ion

Normal potential
in volt at 25°C

J₂ (solid)

2J^-

+0,54

Br₂ (liquid)

2Br^-

+1,07

Cl₂ (gaseous)

2Cl^-

+1,36

F₂ (gaseous)

2F^-

+2,85

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