Silver Facts

Silver Facts
Silver (Ag) has an atomic number of forty-seven. This highly valuable metal is slightly harder than gold and has the highest electrical conductivity of any of the metals.
Interesting Silver Facts:
Silver was found to be separated from lead by civilizations are early as 3000 BC.
Its uses were mentioned as far back as the Bible, in the book of Genesis.
Silver is an even better electrical conductor than copper, but its high cost makes it less attractive for electrical wiring.
Of all the metals, silver also has the highest thermal conductivity.
It has the lowest level of contact resistance.
Silver tarnishes quite readily in air or water which have hydrogen sulfide or ozone.
There are two natural, stable isotopes of silver, Ag-107 and Ag-109.
Unlike most other elements on the periodic table, the natural occurrence of each of silver's stable isotopes is nearly equal.
There are twenty-eight known radioactive isotopes of silver.
The most stable of the radioisotopes has a half-life of over forty-one days and the least stable having a half-life of less than three minutes.
Most silver is extracted from copper or lead ores.
Several countries have been mining silver since the 1500s.
It is most often produced as a result of refining metals such as lead, copper, gold, nickel, or zinc.
Mexico, Peru, and China are currently the world's top producers of silver.
Silver has a long history of practical applications, but also serves a key role in folklore, fantasy, and even a religious significance in several religions.
Throughout history, silver has been used in coin making, jewelry, adornments, mirrors and photo-optics, musical instruments, dentistry and medications, photography, and more.
Coins made of silver are believed by Christians to be the bribe price paid to Judas Iscariot to betray Jesus.
In several pagan religions, silver was associated with magical powers or feminine energy.
In folklore, silver is associated with the ability to stop paranormal creatures such as vampires or werewolves.

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