Periodic Table of the Elements
Periodic Table




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name Indium
latin Indium
french Indium
german Indium
symbol In
proton number 49
atomic weight 114.818
Pauling electronegativity 1.78
electronic configuration [Kr] 4d105s25p1
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melting point 429.75 K, 156.6°C, 313.88°F
boiling point 2345 K, 2072°C, 3761°F
group 13
period 5
state (by 20°C) solid
oxidation states +3
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Year of discovery Discoverers
1863 Ferdinand Reich
Hieronymus T. Richter

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