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Silver by Catherine Giron
Transcript
Silver
Catherine Giron
Periodic Table
- Symbol: Ag
- Atomic Number: 47
- Atomic Mass: 107.868
- Group 11
Physical Properties
- Color: White
- Luster: Shiny and can be very polished
- Ductility: Can be beaten into thin sheets
- Malleability: Can be shaped or bent
- Solubility: can be dissolved
- Hardness: Soft metal
- Density: Dense material
Chemical Properties
- Chemical Formula : Ag
- Reactivity: Does not react with Oxygen, Nitrogen, or Hydrogen
- Oxidation
- Compounds: Forms complex compounds (most soluble in water)
History
History
Silver is one of the first five metals discovered by humans. Silver objects have been found in Greece and Turkey as early as 3000 BC. It is even mentioned in the book of Genesis in the Bible. The ancient people even learned how to refine it. Silver really exploded on Earth when Europeans landed on the New World in 1492. Spanish conquerors started mining and found silver and gained wealth. Later on silver came to be very handy when it came to new advances and technology.
Where It Is Found
- Found in nature
- Can be found in mines
Uses
- Jewelry
- Coins
- Ornaments
- Silverware
- Photography
- Electronics
- etc..
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