Name |
Indium |
Symbol |
In |
Atomic Number |
49 |
Atomic Mass |
114.818 Amu |
Number Of Protons |
49 |
Number of Electrons |
49 |
Number of Neutrons |
66 |
Melting Point |
156.61 Degrees Celsius |
Boiling Point |
2000. Degrees Celsius |
Normal Phase |
Solid |
Family |
Other Metals Family |
Period |
5 |
Group |
13 |
Origin Of name |
From the indigo color found in it's spectrum |
Date and place of discovery |
Discovered by FriedrichRiech and Theodor Richter in 1863 |
Interesting facts |
* Indium doesn't react with water * It is also found in copper,iron, and lead ores * In the Earths Crust, it is the 61st most common element * Indium is a poor metal, its melting point and boiling points are lower than the transition metals * There are 39 known indium Isotopes |
Common Uses |
Indium is used to dope germanium to make transistors. It is also used to make other electrical components such as rectifiers, and photoconductors. Indium can be used to make mirrors that are as reflective as silver mirrors but do not tarnish as quickly. |