Gold
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Transcript of Gold
GoldBy:
Steven Sheaffer
Information• Name: Gold• Atomic Symbol: Au• Atomic Number: 79• Atomic Mass: 196.97• Group #: 11• Period #: 6
PictureComes in many
ways.
The Atom
• Protons: 79• Electrons: 79• Neutrons: 118
Physical Properties• Melting Point: 1948.5 degrees
• Density: 19.3 gm/cm cubed
• Gold is soft, yellow, and shiny
Chemical Properties• Gold is a noble metal because it resists reacting with stuff.• Gold is chemically inactive.• Gold is not a highly reactive element.
Uses• Since gold has so much
resistance to corrosion, it is used in a lot of electronics.
• Gold is used to shied spacecrafts because it has a lot of reflective powers.
• Gold is also an ancient metal for wealth.
History• Gold was first found as gold
nuggets. • Gold was first discovered in 6000
BC.• People first used gold for money
and they often sold it to people.• Gold is very expensive and was
very hard to find.
Interesting Facts• Gold is so rare that the world pours
more steel in an hour than it poured gold since the start of recorded history
• Gold has been found in every country in the world.
• Gold can conduct heat and electricity and it can never rust.