WHAT, HOW, WHERE, AND WHOME DISCOVERED GOLD?

1. Gold

2. WHAT IS GOLD?
Gold ,79th element on the
periodic table of the elements,is
one of the more recognizable of
the bunch.it is malleable and
shiny,making it a good
metalworking material

3. SHE WORE FIRST
.A stone Age woman found
buried outside of London wore
a strand of Gold around her
neck.Gold swiftly came to be a
symbol,and unit, of wealth,and
it has maintained this allure
through time and around the
globe.

4. 24K GOLD?
.Pure gold is 24karats.Bars of gold
kept im Front Knox and elsewhere
around the world are considered to
be 99.95 percent pure,24karat
gold.As metals are added to gold
during jewelry_making,the gold
become less fine and the number of
karats drops.

5. GOLD FOR
MEDICINE?
Gold is used in medicine.The
radioactive gold isotope Au_198
can be injected directly into the site
of a tumor.In some cases,gold
nanoparticles are the only way a
drug can work. The anticancer drug
TNF alpha kills cancer very
effectively .

6. DISCOVER OF GOLD
GOLD! On january 24,1848,JAMES
W.MARSHALL discovered gold on
the property of Johann A.Sutter near
Coloma,California.

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