ATOMS
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7 Terms
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Democritus (440 BCE)
“Everything is made up of tiny, indivisible particles called ‘atomos’”
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Aristotle
Made up with Fire, Water, Earth, Air
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John Dalton (1808)
Atoms have scientific proof
Substance when broke down = same element and proportions
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J.J Thomson (1897)
discovered electrons
sabi nya may mga nega sa atoms
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Ernest Rutherford (1909-1911)
may nucleus ang atom
nilagay nya sa gold plate and particles and nag bounce and went though = may nega at posi
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Niels Bohr (1913)
electrons have energy lvl
electrons orbit the nucleus like a solar system
electron can absorb or releas energy
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Quantum Model (1920)
hindi raw orbital movement ng electrons sabay sabay and unpredictable
Note 
Flashcards (32)