Centries ago , a Greek philosopher , Democritus belived , that all matter was composed of extremely small particles to which he give the name Atomos meaning not to divide. During the early nineteeth centry an English scientist John Dalton , did some carefull experiment. His results convinced that atoms were not all alike .They differ in size , mass , and chemical behaviour , for example oxygen atoms are bigger and greater than hydrogen atoms.
Well, first of all scientific hygrenals used by scientists made it easy to discover it.
the fisr person to discover Hydrogen was Henery Cavendish, he discovered it in 1766.
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The first person to propose that matter was madeof atoms was a Greek philosophernamed Democritus.
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Well, first of all scientific hygrenals used by scientists made it easy to discover it.
Galileo was the first
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Sir Isaac Newton.
british scientist discovered the nucleus
the fisr person to discover Hydrogen was Henery Cavendish, he discovered it in 1766.
According to biologists, the first scientist to discover cells is Robert Hook who observed the cells of living and dead things in the late 17th century.
Joseph Fourier
A scientist and explorer can DISCOVER but a scientist can DISCOVER and INVENT
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Charles Darwin
Gravity, that it pulled everything to the center of the earth.