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chemistry revision
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chemistry revision
Neils Bohr
- Discovered Electrons orbit the Nucleus
James Chadwick
- Discovered Existence of neutrons
Atoms of an element with different numbers of neutrons are called isotopes
- He left gaps for elements that have not yet been invented
Nelson Mendeleev overcame some of the problems in the periodic table by leaving gaps in places and changing the order based on atomic weight
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- Mind Map on chemistry revision, created by Lucy Wilkins on 08/01/2019.
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- Lucy Wilkins
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