Indium (In) in the periodic table — PeriodicTable

Indium (In) in the periodic tableIndium is element 49, a post-transition of the p block, in group 13, period 5. Its ground-state configuration is [Kr] 4d10 5s2 5p1, and it usually shows the oxidation states 0, 1, 2, 3.It was discovered in 1863, by Reich and Richter.Name origin: indigo. Blank rows are columns the sheet does not measure for this element.

Property

Value

Unit

Atomic weight

114.818

Da

Electronegativity

1.78

First ionisation energy

558.3

kJ/mol

Covalent radius

144

pm

Van der Waals radius

193

pm

Melting point

429.75

K

Boiling point

2345

K

Density

7.31

g/cm³

Abundance

0.25

mg/kg

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