Atomic theory
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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| What was John Dalton Known for | Billard ball model of 1808
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| What was JJ thompson known for | Plum pudding model in 1897 and electron
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| What was Rutherford Known for | Nucleus 1909, and proton 1920 nuclear model
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| What was chadwick known for | neutron 1932
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| what was Bohr Known for | Plantery model and energy levels
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| What were the four models of atom | Billard ball, plum pudding, nuclear, Planatery
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| What was daltons atomic theory | 1.2
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| Define an atom | smallest part of an element
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| Define electron | negatively charged particle in an atom or ion
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| Define Nuetron | Neutrally charged particle in atom or ion
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| Define Proton | Positivly charged particle in atom or ion
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| Define Atomic number | The number of protons an atom or ion has
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| Define Mass number | The number of protons and neutrons annd atom or ion has
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| Atomic mass unit is | carbon 1/12
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