John Dalton
Atomic Theory
In the late 1700s a scientist named John Dalton made a new discovery abot the atom
September 6,1766 to July 26, 1844
What he found
Dalton's fascination with gases gradually led him to formally assert that every form of matter (whether solid, liquid or gas) was also made up of small individual particles.
Dolton's Theory
Dalton's theory additionally examined the compositions of compounds, explaining that the tiny particles (atoms) in a compound were compound atoms.