Indium

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Indium
In
In situ availability: trace
Necessity:
Atomic number: 49
Atomic mass: 114.818
group: 13
period: 5
normal phase: Solid
series: Poor Metals
density: 7.31 g/cm3
melting point: 429.75K,
156.60°C,
313.88°F
boiling point: 2345K,
2072°C,
3762°F
Zn ← Ga → Ge
Cd ← In → Sn
Hg ← Tl → Pb
Atomic radius (pm): 155
Bohr radius (pm): 156
Covalent radius (pm): 144
Van der Waals radius (pm): 193
ionic radius (pm): (+3) 80
1st ion potential (eV): 5.79
Electron Configuration
1s2
2s2 2p6
3s2 3p6 3d10
4s2 4p6 4d10
5s2 5p1
Electrons Per Shell
2, 8, 18, 18, 3
Electronegativity: 1.78
Electron Affinity: 0.3
Oxidation states: 3
Magnetism: ?
Crystal structure: Tetragonal

Indium is a Poor Metal in group 13. It has a Tetragonal crystalline structure. This element has two stable isotopes: 113 and 115.




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