CHEMISTRY 1 062013 WHO DISCOVERED GOLD WHEN WAS GOLD DISCOVERED Nobody knows who picked up a gold nugget first but it would have been because its so shiny Egyptians developed gold smelting some 5600 years ago about 3600 BC using clay blowpipes to heat the smelter ID: 571929
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PRISCA LIMAGE
CHEMISTRY 1
06/20/13Slide2
WHO DISCOVERED GOLD
WHEN WAS GOLD DISCOVERED
Nobody knows who picked up a gold nugget first but it would have been because it’s so shiny.
Egyptians developed gold smelting some 5600 years ago (about 3600 BC) using clay blowpipes to heat the smelter contents. Gold workers from Mesopotamia (known now as Iraq) made one of the earliest known pieces of gold jewellery in about 2600 BC.Slide3
ATOMIC SYMBOL AND ATOMIC NUMBER FOR GOLD
The atomic symbol for gold is AU
from the Anglo-Saxon word "
gold" (the origin of the symbol Au is the Latin word "aurum" meaning "gold"). Gold’s atomic number is 79, and its atomic mass is 196.97Slide4
NUMBER OF PROTONS ECT.
Gold has a number of 79 protons, and 11 electrons in it.
Gold is a metal.
Gold is a solid but it can be turned into a liquid as well. It is in the metal group.