Indij
49
In
Skupina
13
Perioda
5
Blok
p
Protoni
Elektroni
Nevtroni
49
49
66
Splošne lastnosti
Vrstno število
49
Atomska teža
114,818
Masno število
115
Kategorija
Šibke kovine
Barva
Srebrna
Radioaktivno
Ne
From the brilliant indigo line in its spectrum
Kristalna struktura
Telesno centrirana tetragonalna
Zgodovina
Ferdinand Reich and Hieronymous Theodor Richter first identified indium in sphalerite by its bright indigo-blue spectroscopic emission line.
As no element was known with a bright blue emission they concluded that a new element was present in the minerals.
Richter went on to isolate the metal in 1864.
As no element was known with a bright blue emission they concluded that a new element was present in the minerals.
Richter went on to isolate the metal in 1864.
Elektroni po lupinah
2, 8, 18, 18, 3
Razporeditev elektronov
[Kr] 4d10 5s2 5p1
When it is bent, indium emits a high-pitched 'cry'
Fizikalne lastnosti
Faza snovi
Trdnina
Gostota
7,31 g/cm3
Tališče
429,75 K | 156,6 °C | 313,88 °F
Vrelišče
2345,15 K | 2072 °C | 3761,6 °F
Talilna toplota
3,26 kJ/mol
Izparilna toplota
230 kJ/mol
Toplotna kapaciteta
0,233 J/g·K
Zastopanost v Zemljini skorji
0,000016%
Zastopanost v vesolju
3×10-8%
CAS številka
7440-74-6
PubChem CID številka
5359967
Atomske lastnosti
Atomski polmer
167 pm
Kovalentni polmer
142 pm
Elektronegativnost
1,78 (Paulingova lestvica)
Ionizacijski potencial
5,7864 eV
Atomski volumen
15,7 cm3/mol
Toplotna prevodnost
0,816 W/cm·K
Oksidacijska stanja
1, 2, 3
Uporabe
Indium's current primary application is to form transparent electrodes from indium tin oxide in liquid crystal displays and touchscreens.
It is widely used in thin-films to form lubricated layers.
It is also used for making particularly low melting point alloys, and is a component in some lead-free solders.
It is widely used in thin-films to form lubricated layers.
It is also used for making particularly low melting point alloys, and is a component in some lead-free solders.
Indium is considered to be of low toxicity
Izotopi
Stabilni izotopi
113InNestabilni izotopi
97In, 98In, 99In, 100In, 101In, 102In, 103In, 104In, 105In, 106In, 107In, 108In, 109In, 110In, 111In, 112In, 114In, 115In, 116In, 117In, 118In, 119In, 120In, 121In, 122In, 123In, 124In, 125In, 126In, 127In, 128In, 129In, 130In, 131In, 132In, 133In, 134In, 135In