Atomic Theory Timeline by Quinn McDonough https://padlet.com/mcdonqui0001/2dxkbsnwry3o Made with skillz en-us 2017-10-27 13:53:02 UTC 2017-10-27 14:34:27 UTC hello@padlet.com John Dalton mcdonqui0001 https://padlet.com/mcdonqui0001/2dxkbsnwry3o/wish/201199664 John Dalton was born in 1766 and died in 1844, John major contribution to Atomic theory ideas are. All matter is made of atoms. Atoms are indivisible and indestructible, compound are formed by a combination of two or more types of atoms.
]]> 2017-10-27 13:59:14 UTC https://padlet.com/mcdonqui0001/2dxkbsnwry3o/wish/201199664 Democritus mcdonqui0001 https://padlet.com/mcdonqui0001/2dxkbsnwry3o/wish/201204351 Democritus composed that everything in the universe is made of atoms and they are physically indivisible but not geometrically indivisible. He was born sometime around 460 BC
 ]]> 2017-10-27 14:08:15 UTC https://padlet.com/mcdonqui0001/2dxkbsnwry3o/wish/201204351 J.J Thompson mcdonqui0001 https://padlet.com/mcdonqui0001/2dxkbsnwry3o/wish/201209456 J.J Thompson discovered the electron and studied charged particles in neon gas. He was born in December 18 1856 and died in August 30 1940 
]]> 2017-10-27 14:17:56 UTC https://padlet.com/mcdonqui0001/2dxkbsnwry3o/wish/201209456 Ernest Rutherford mcdonqui0001 https://padlet.com/mcdonqui0001/2dxkbsnwry3o/wish/201212007 Ernest Rutherford discovered that the atom has a tiny but heavy nucleus. He was born in August 30 1871 and died in October 19, 1937 
]]> 2017-10-27 14:22:52 UTC https://padlet.com/mcdonqui0001/2dxkbsnwry3o/wish/201212007 Niels Bohr mcdonqui0001 https://padlet.com/mcdonqui0001/2dxkbsnwry3o/wish/201214304 Niels Bohr contributed a theory that the hydrogen atoms energy is transferred only in a certain well defined quantities but electrons should move around the nucleus but only in prescribed obits. Niels Bohr was brought into the world in October 7 of 1885 and passed away in November 18 1963 
]]> 2017-10-27 14:26:53 UTC https://padlet.com/mcdonqui0001/2dxkbsnwry3o/wish/201214304 James Chadwick mcdonqui0001 https://padlet.com/mcdonqui0001/2dxkbsnwry3o/wish/201216732 James Chadwick  was born in October 20, 1891 and died in July 24, 1974. James Chadwick contributed the theory that atoms contain neutrons in the center and they were neither positively or negatively charged.
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