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The first twenty element was discover when there is science in the world
the fisr person to discover Hydrogen was Henery Cavendish, he discovered it in 1766.
The first person to propose that matter was madeof atoms was a Greek philosophernamed Democritus.
Phosphorous
phosphorous
Henning Brand was a German chemist. He is believed to be the first person to 'discover' an element. In 1669 he discovered phosphorous.
the first person to discover gold was Jams W Marshall.
His most important discovery was that of the element thallium, which was previously unknown element with a bright green emission line in its spectrum. He also was the first person to discover helium.
Iverville and Bineville were the first people to discover The Louisiana!
The first twenty element was discover when there is science in the world
me
me!
ME
he was the first person to discover that blood has oxogen in it
issac newton was not the first person to discover gravity he taught the values of gravity
AADAM
Me. Texas.