Atom Time line by https://padlet.com/colin_randhawa1/Randhawa_Timeline By Colin Randhawa en-us 2016-12-13 16:10:37 UTC 2016-12-16 04:23:32 UTC hello@padlet.com https://padlet-assets.s3.amazonaws.com/icons/Clouds.png The Line colin_randhawa1 https://padlet.com/colin_randhawa1/Randhawa_Timeline/wish/143403922 2016-12-13 16:17:34 UTC https://padlet.com/colin_randhawa1/Randhawa_Timeline/wish/143403922 Democritus 400bc colin_randhawa1 https://padlet.com/colin_randhawa1/Randhawa_Timeline/wish/143404545 his atomic theory says that all matter is made up of atoms which are indestructible.

He was from the ancient greek time period.

]]> 2016-12-13 16:19:28 UTC https://padlet.com/colin_randhawa1/Randhawa_Timeline/wish/143404545 John Dalton 1803 colin_randhawa1 https://padlet.com/colin_randhawa1/Randhawa_Timeline/wish/143981469 he thought that elements were made of atoms that were almost the same and that compounds were compounds were atoms combined.

he is the only scientist that had a statue in his time.]]> 2016-12-16 03:58:40 UTC https://padlet.com/colin_randhawa1/Randhawa_Timeline/wish/143981469 J.J. Thomson 1897 colin_randhawa1 https://padlet.com/colin_randhawa1/Randhawa_Timeline/wish/143981750 he was the scientists that came up to give the electrons charges.

he showed how hydroden had one electron per atom.]]> 2016-12-16 04:09:16 UTC https://padlet.com/colin_randhawa1/Randhawa_Timeline/wish/143981750 Ernest Rutherford 1898 colin_randhawa1 https://padlet.com/colin_randhawa1/Randhawa_Timeline/wish/143981841 he found alpha, beta, and gamma radiation.

two of his brother drowned in 1886.]]> 2016-12-16 04:13:00 UTC https://padlet.com/colin_randhawa1/Randhawa_Timeline/wish/143981841 Niels Bohr 1922 colin_randhawa1 https://padlet.com/colin_randhawa1/Randhawa_Timeline/wish/143981922 he found out that there were more electrons on the outer layer then the inner layers.

 Him and his brother played soccer in college but his brother went on to play in the Olympics .]]> 2016-12-16 04:16:00 UTC https://padlet.com/colin_randhawa1/Randhawa_Timeline/wish/143981922 James Chadwick 1932 colin_randhawa1 https://padlet.com/colin_randhawa1/Randhawa_Timeline/wish/143982050 he discovered nutrons and said that they were close to the same mass as protons]]> 2016-12-16 04:20:05 UTC https://padlet.com/colin_randhawa1/Randhawa_Timeline/wish/143982050