
SEJARAH PERKEMBANGAN MODEL ATOM
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Chemistry
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10th - 12th Grade
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Hard
MDRS HARTINI
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11 Slides • 0 Questions
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2.2 SEJARAH
PERKEMBANGAN
MODEL ATOM
By MDRS HARTINI
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Membuat urutan model struktur atom berdasarkan Model Atom Dalton, Thomson, Rutherford, Bohr dan Chadwick
Objektif Pembelajaran
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Definisi Atom
Zarah paling kecil bagi sesuatu unsur yang dapat mengambil bahagian dalam suatu tindak balas kimia.
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e
p + n
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Atom ialah jasad berbentuk sfera yang kecil dan tidak boleh dicipta, dimusnahkan atau dibahagi lagi.
John Dalton
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JJ Thomsom
Menemui zarah bercas negatif yang dipanggil elektron.
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Ernest Rutherford
-Menemui zarah bercas positif yang dinamakan proton di dalam nukleus.
-Hampir seluruh jisim atom tertumpu di nukleus.
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Neils Bohr
Elektron di dalam atom bergerak di dalam petala disekeliling nukleus
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James Chadwick
Menjumpai satu zarah lain di dalam nukleus selain proton.
Zarah ini dikenali sebagai neutron.
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John Dalton
JJ Thomson
Ernest Rutherford
Neils Bohr
James Chadwick
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John JJ Earn Nothing (Jual Cendol)
2.2 SEJARAH
PERKEMBANGAN
MODEL ATOM
By MDRS HARTINI
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