Saturday, October 19, 2019

Tin

Located in the 14th Group and the 5th Period of the Periodic Table is the element that make tin cans. This is Lithium.


Tin is very resistant to corrosion from water. And of course it acts as an coating to our daily things in life such as : soda cans, magnets and more.Tin has been existing since approximately 2100 BCE and was used in the ancient times. And therefore no one actually knew who actually discovered tin. Sources shows that tin has been existing since the Bronze Age (3000 BCE). 


However, some sources shows that the Bronze Age peoples extracted tin from Polymetallic Ores along with few other metals as well as few other physical properties. It is believe to be existing since the Bronze Age because of traces (2%) of Tin and Arsenic Elements was found in the earliest objects at Bronze Age, which was believed by scientist to be accidentally and unintentionally alloyed together by ancient peoples. Cassiterite is the tin oxide mineral and acts as a essential part of tin and also to our life nowadays. Tin are extracted from Cassiterite and made into coatings, tin cans and more.
Atomic Number : 50
Name : Tin
Latin Name : Stannum
Electrons per shell : [ 2, 8, 18, 18, 4 ]
Discovered : Unknown ( Discovered since 3000BCE )
Isolator : Unknown too ( Discovered since 3000 BCE)
Element's : Atomic Mass : 118.721u
                  : Density : 7.287g/cm3
                  : Type : Other metals
Chemical Properties : 
  • Resist corrosion from water
  • Reacts with oxygen to form Tin Oxide
  • Can be attacked easily by strong acids and alkali
  • Cassiterite, the main ore of tin
  • 74 isotopes : 3 of them are:
Tin - 119

                           Tin - 119 : Protons :
                                             Neutrons :
                                             Electrons :
                           (Half Life : Stable)

                           Tin - 120 : Protons :
                                             Neutrons :
                                             Electrons :
                           (Half Life : Stable)
                           
                           Tin - 122 : Protons :
                                             Neutrons :
                                             Electrons :
                           (Half Life : Observationally Stable)

Physical Properties :
  • Soft
  • Silvery-White metal
  • Malleable
  • Ductile
  • Opaque
  • Corrosion resistant
  • Boiling Point : 2602 degrees Celsius ( 4715.6 Fahrenheit )
  • Melting Point : 231.9 degrees Celsius (449.42 Fahrenheit )
You can cut tin easily with a specially prepared scissors.


How Tin got its name?
'Stannum' come from the Latin word which means Alloy of Silver and Lead. Tin look like Silver but it was soft, just like lead, which then was named Stannum. As for Tin, it's origin word is from French, meaning tempest or Hurricane.

Uses
Tin takes a high polish and it can be used to coat other metals to prevent corrosion. Tin cans are an example of it which are made of tin coated steel. Tin is also many alloys' constituent such as solder, bronze, pewter and phosphor bronze. Tin compounds like tributyltin have been used as anti-fouling paint on boats and ships. They can prevent barnacles but however at loew levels, these compounds are deadly to marine life, especially oysters. Its use has now been banned in many countries.

Anti-fouling paint for boats and ships


THIS IS THE END OF TIN
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