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who discovered silver and where did they find it?
Ask: who discovered silver and where did they find it?
The story of silver mining began about 5,000 years ago.
Silver was first mined around 3,000 BCE in Anatolia, now located in modern-day Turkey. The precious metal helped early civilizations in the Near East, Ancient Greece to flourish.
In about 1,200 BCE the center of silver production shifted to Greece’s Laurium mines, where it continued to feed the region’s growing empires, even providing currency for ancient Athens. By about 100 CE, the center of silver mining moved to Spain, where the mines became a major supplier for the Roman Empire and an essential trading component along the Asian spice routes.
However, no other single event in silver’s history rivals the discovery by European conquerors of the white metal in the Americas following Columbus’s landing in the New World in 1492. The events that unfolded in the following years changed the face of silver and the world forever.
(BONUS INFO) New silver discoveries in Australia, Central America and Europe added to total world silver production. The twenty years between 1900 and 1920 resulted in a 50 % increase in global production, and brought the total to about 190 million ounces annually. These increases were spurred by new discoveries in Canada, the United States, Africa, Mexico, Chile, Japan, and elsewhere.
Where do concrete nail,silver spoon and safe pin made of
Ask: Where do concrete nail,silver spoon and safe pin made of
Manufacture. For machine-made spoons, the basic shape is cut out from a sheet of sterling silver, nickel silver alloy or stainless steel. The bowl is cross rolled between two pressurized rollers to produce a thinner section.
Conductors and Insulators
The electrons of different types of atoms have different degrees of freedom to move around. With some types of materials, such as metals, the outermost electrons in the atoms are so loosely bound that they chaotically move in the space between the atoms of that material by nothing more than the influence of room-temperature heat
energy. Because these virtually unbound electrons are free to leave their respective atoms and float around in the space between adjacent atoms, they are often called free electrons.
In other types of materials such as glass, the atoms’ electrons have very little freedom to move around. While external forces such as physical rubbing can force some of these electrons to leave their respective atoms and transfer to the atoms of another material, they do not move between atoms within that material very easily.
Here are a few common examples of conductors and insulators:
Conductors:
silver
copper
gold
aluminum
iron
steel
brass
bronze
mercury
graphite
dirty water
concrete
Insulators:
glass
rubber
oil
asphalt
fiberglass
porcelain
ceramic
quartz
(dry) cotton
(dry) paper
(dry) wood
plastic
air
diamond
pure water
It must be understood that not all conductive materials have the same level of conductivity, and not all insulators are equally resistant to electron motion. Electrical conductivity is analogous to the transparency of certain materials to light: materials that easily “conduct” light are called “transparent,” while those that don’t are called “opaque.” However, not all transparent materials are equally conductive to light. Window glass is better than most plastics, and certainly better than “clear” fiberglass. So it is with electrical conductors, some being better than others.
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where the silver can be found in the philippines?
Ask: where the silver can be found in the philippines?
well it can be found in Benguet, Cebu and Zamboanga del Norte.
hope this helps
science in what family where you can found nickel gold
Ask: science in what family where you can found nickel gold and silver?
Answer:
Group 11
Explanation:
Group 11, by modern IUPAC numbering, is a group of chemical elements in the periodic table, consisting of copper (Cu), silver (Ag), and gold (Au).
Answer:
GROUP 11(1b)
Explanation:
ayan po,Sana makatulong
where can you locate the iron,nickel,copper,silver and chromium?
Ask: where can you locate the iron,nickel,copper,silver and chromium?
It is located in the Transition Metals part of the Periodic Table.
precious metals like brown silver and gold where used as
Ask: precious metals like brown silver and gold where used as media in the sculptural separation of what such as asian country
Answer:
Cambodia
that Is Answer
where does gold,copper,silver and lead derived its symbol
Ask: where does gold,copper,silver and lead derived its symbol
Answer:
Silver is a chemical element with the symbol Ag (from the Latin argentum, derived from the Proto-Indo-European h₂erǵ: “shiny” or “white”) and atomic number 47.
Gold is element 79 and its symbol is Au. Though the name is Anglo Saxon, gold originated from the Latin Aurum, or shining dawn, and previously from the Greek. It’s abundance in the earth’s crust is 0.004 ppm.
copper. The name derives from the Latin cuprum for Cyprus, the island where the Romans first obtained copper. The symbol Cu also comes from the Latin cuprum. The element has been known since prehistoric times.
Atomic Mass: 63.55u
Year Discovered: Ancient
lead The chemical symbol Pb is derived from the Latin plumbum. Lead has been known since ancient times. It is sometimes found free in nature, but is usually obtained from the ores galena (PbS), anglesite (PbSO4), cerussite (PbCO3) and minum (Pb3O4).
Atomic Mass: 207u
Year Discovered: Ancient
Oxidation States: +4, +2
Sterling silver consists of 92.5% silver and 7.5% copper. What
Ask: Sterling silver consists of 92.5% silver and 7.5% copper. What decimal represent the portion of silver in Sterling silver?
.925
converting percent to decimal.. just divide the percent to 100 and remove the % sign
ano ang silver ng materials where these metals are found
Ask: ano ang silver ng materials where these metals are found
Answer:
Ito po sagot
Explanation:
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#Letstudy
#Brainliestmepls
How many grams of you're so where is contain in
Ask: How many grams of you’re so where is contain in a 525 g of sterling silver wire that is 95% your silver
Answer:
nakalimutan ko sagut pasensya na
Explanation:
bawi nlng us next life
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