In - Indium

Indium was discovered in 1863 by Reich and Richter in Germany.

Atomic number - 49 Density g/mL 7 .31

Atomic weight u 114 .82 Melting point K 429 .76

Bonding radius A 1 .44 Boiling point K 2346

Atomic radius A 2 Heat of vaporization kJ/mol 231 .5

Ionization Potential V 5 .786 Heat of fusion kJ/mol 3 .263

Electronegativity - 1 .78 Specific heat J/gK 0 .23

The oxide is amphoteric.
Crystal are tetragonal.

Electron config. : [Kr] 4d¹⁰ 5s² 5p¹

Isotopes of In: Click mass number for decay process, product for element page.

100 6.1 sec EC/ECp,10.200 Cd-100/Ag-99 99.931185	101 16 sec EC/ECp,7.300 Cd-101/Ag-100 100.92656	102 24 sec EC,8.900 MeV Cd-102 101.92431	103 65 sec EC,6.050 MeV Cd-103 102.91991	104 1.80 min EC,7.910 MeV Cd-104 103.91833	105 5.07 min EC,4.849 MeV Cd-105 104.91467	106 6.2 min EC,6.521 MeV Cd-106 105.91345
107 32.4 min EC,3.426 MeV Cd-107 106.91029	108 58.0 min EC,5.148 MeV Cd-108 107.90970	109 4.2 hr EC,2.020 MeV Cd-109 108.90715	110 4.9 hr EC,3.878 MeV Cd-110 109.90716	111 2.8047 da EC,1.097 MeV Cd-111 110.90511	112 14.97 min B-/EC,2.586 Sn-112/Cd-112 111.90553	113 4.29% Stable 112.90406
114 71.9 sec B-/EC,1.989 Sn-114/Cd-114 113.90491	114a 49.51 da EC,1.642 MeV Cd-114 113.90512	115 95.71% 4.41E+14 yr B-,1.627 MeV Sn-115 114.90387	116 14.10 sec B-/EC,3.274 Sn-116/Cd-116 115.90526	117 43.2 min B-,1.455 MeV Sn-117 116.90451	118 5.0 sec B-,4.423 MeV Sn-118 117.90635	119 2.4 min B-,2.364 MeV Sn-119 118.90584
120 3.08 sec B-,5.370 MeV Sn-120 119.90796	121 23.1 sec B-,3.360 MeV Sn-121 120.90784	122 1.5 sec B-,6.370 MeV Sn-122 121.91027	123 5.98 sec B-,4.391 MeV Sn-123 122.91043	124 3.17 sec B-,7.360 MeV Sn-124 123.91317	125 2.36 sec B-,5.420 MeV Sn-125 124.91360	126 1.60 sec B-,8.210 MeV Sn-126 125.91646
127 1.09 sec B-/B-n,6.510 Sn-127/Sn-126 126.91734	128 0.84 sec B-/B-n,8.980 Sn-128/Sn-127 127.92017	129 0.61 sec B-/B-n,7.660 Sn-129/Sn-128 128.92165	130 0.26 sec B-/B-n,10.250 Sn-130/Sn-129 129.92486	131 0.28 sec B-/B-n,9.180 Sn-131/Sn-130 130.92678	132 0.201 sec B-/B-n,13.600 Sn-132/Sn-131 131.93236	133 180 msec B-/B-n,13.500 Sn-133/Sn-132 132.93837
MASS abund. Halflife Particle, Energy Decay Product(s) Isotopic Mass

Atomic number	-	49		Density	g/mL	7	.31
Atomic weight	u	114	.82	Melting point	K	429	.76
Bonding radius	A	1	.44	Boiling point	K	2346
Atomic radius	A	2		Heat of vaporization	kJ/mol	231	.5
Ionization Potential	V	5	.786	Heat of fusion	kJ/mol	3	.263
Electronegativity	-	1	.78	Specific heat	J/gK	0	.23
The oxide is amphoteric.				Crystal are tetragonal.
Electron config. : [Kr] 4d¹⁰ 5s² 5p¹