Unsur periode empat
Quiz
•
Chemistry
•
12th Grade
•
Medium
Lalala Liano
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5 questions
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1.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Berikut ini dipaparkan beberapa sifat unsur kimia.
(1) Titik leburnya rendah
(2) Membentuk senyawa berwarna
(3) Dapat membentuk ion kompleks
(4) Diamagnetik
(5) Mempunyai berbagai macam bilangan oksidasi
Dari pemaparan di atas, manakah yang menjadi sifat-sifat unsur transisi periode 4...
2, 3, dan 5
1, 2, dan 3
1, 4, dan 5
2, 4, dan 5
3, 4, dan 5
2.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Unsur-unsur berikut termasuk dalam periode 4: K (Kalium), Ca (Kalsium), dan Fe (Besi). Berdasarkan konfigurasi elektronnya, manakah dari unsur-unsur tersebut yang paling mudah kehilangan elektron?
Kalium (K)
Kalsium (Ca)
Besi (Fe)
Tembaga (Cu)
3.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Sebutkan 5 unsur kimia yang berada di transisi periode 4...
Li, Be, B, C, dan N
Sc, Ti, V, Cr, dan Mn
Na, Mg, AL, Si, dan P
K, Ca, Sc, Ti, dan V
Zr, Nb, Mo, Tc, dan Ru
4.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Reaksi yang terjadi pada peleburan besi pada tanur tinggi adalah...
1,2 dan 3
1,2 dan 4
2,3 dan 4
2,3 dan 5
2,4 dan 5
5.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Apa yang menyebabkan beberapa unsur transisi periode empat bersifat feromagnetik?
Adanya elektron berpasangan pada subkulit s
Interaksi elektron-elektron pada subkulit d yang tak berpasangan
Elektron yang berinteraksi kuat dengan inti atom
Orbital f yang terisi penuh
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