John Dalton's Atomic theory and Niels Bohr's Atomic Theory
2007-02-28 08:10:04 · 3 answers · asked by metal_enchantment 2 in Science & Mathematics ➔ Chemistry
The 2nd answer is pretty good, but all you did was contrast, I need a goo comparism; Thanks!
2007-02-28 09:00:18 · update #1
Dalton's theory states that:
1) All matter is made of atoms.
2) Atoms of the same element are alike.
3) Atoms join in small whole-number ratios.
4) Atoms are not subdivided in chemical reactions.
Dalton thought that atoms were solid objects. He had no clue about protons, neutrons, and electrons.
Bohr realized that there were sub-atomic particles inside the atom. He even knew that electrons had orbitals to occupy. Bohr thought that the electrons orbited in specific circular orbitals around the nucleus, but they could jump up or down according to how much energy struck the electrons from an outside source.
2007-02-28 08:53:45 · answer #1 · answered by physandchemteach 7 · 0⤊ 0⤋
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2016-11-26 20:47:05 · answer #2 · answered by mordehay 4 · 0⤊ 0⤋
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2007-02-28 08:38:41 · answer #3 · answered by wheresdean 4 · 0⤊ 1⤋