Bab 4 : Jadual berkala unsur Flashcards

1
Q
  1. Antoine Lavoisier
A

4 kumpulan (gas, logam, X logam & oksida logam )

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2
Q
  1. Johann W.Dobainner
A
  • triad as kumpulan
  • JFR ditgh hampir sama ngan purata 2 unsur JFR lain
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3
Q
  1. John Newlands
A
  • urutan jisim atom yg menaik
  • fenomena hukum oktaf
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4
Q
  1. Lothar Meyer
A
  • sifat kimia yg sama menduduki tempat setara dlm lengkungan
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5
Q
  1. Dmitri Mendeleev
A

menunujukkan sifat kimia sepunya ke dlm lajur menegak kumpulan

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6
Q
  1. Henry Moseley
A

menyusun semula semua unsur mengikut urutan nombor proton yg menaik

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7
Q

Jadual berkala unsur

A

1 bentuk pengelasan unsur secara sistematik mengikut tertib menaik nombor proton dari kiri ke kanan & dari atas ke bawah

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8
Q

Kala

A

Baris mengufuk dalam jadual berkala unsur

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9
Q

Kumpulan

A

Lajur menegak dalam jadual berkala unsur

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10
Q

Ciri istimewa unsur peralihan

A
  • mangkin
  • mempunyai + nombor pengoksidaan
  • membentuk ion berwarna
  • membentuk ion kompleks
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