Bab 2: Jirim & Struktur Atom (T4) Flashcards

1
Q

Jirim:

A

Bahan yg mempunyai jisim & memenuhi ruang

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2
Q

Pepejal -> cecair:

A

Peleburan

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3
Q

Cecair -> gas:

A

Penyejatan/pendidihan

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4
Q

Gas -> pepejal:

A

Pengendapan

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5
Q

Gas -> cecair:

A

Kondensasi

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6
Q

Cecair -> pepejal:

A

Pembekuan

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7
Q

Pepejal -> gas

A

Pemeljawapan

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8
Q

Atom:

A

Zarah paling asas yg membina sesuatu jirim & neutral

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9
Q

Molekul:

A

Gabungan 2+ atom secara kimia

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10
Q

Ion:

A

Zarah2 bercas
positif(+) / negatif(-)

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11
Q

Unsur:

A

Bahan terdiri drpd satu jenis atom shj

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12
Q

Sebatian:

A

Bahan yg terhasil apbl 2+ atom berlainan jenis berpadu secara kimia

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13
Q

Elektron:

A

Bercas negatif(-) & beredar mengelilingi nukleus atom dalam petala2 tertentu

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14
Q

Proton:

A

Bercas positif(+) & terletak di dalam nukleus

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15
Q

Neutron:

A

Bercas neutral (=) & terletak di dalam nukleus

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16
Q

John Dalton:

A

Memperkenalkan teori atom pd tahun 1808

17
Q

J.J. Thompson:

A

Menjumpai elekton pd tahun 1897

18
Q

Ernest Rutherford:

A

Menjumpai proton pd tahun 1911

19
Q

Niels Bohr:

A

Menyatakan bahawa elektron mengorbit nukleus dalam petala

20
Q

James Chadwick

A

Menjumpai neutron pd tahun 1932

21
Q

Semakin bertambah ikatan -

A

Semakin berkurang hidrogen

22
Q
A