Sistem Periodik Unsur

Quiz
•
Chemistry
•
1st Grade
•
Hard
Zulfadhilah Zulfadhilah
Used 28+ times
FREE Resource
6 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
1 min • 5 pts
Bila unsur X mempunyai nomor atom 26, maka….
(1) Dalam sistem periodik modern, unsur tersebut termasuk golongan transisi
(2) Konfigurasi elektron di kulit terluarnya 4s2 4p6
(3) Unsur tersebut mempunyai valensi lebih dari 1
(4) Dalam sistem periodik modern, unsur tersebut termasuk golongan unsur utama
A. 1,2, dan 3 benar
B. 1 dan 3 benar
C. 2 dan 4 benar
D. 4 benar
E. 1, 2, 3, dan 4 benar
2.
MULTIPLE CHOICE QUESTION
1 min • 5 pts
Unsur-unsur di bawah ini berada dalam satu golongan dalam sistem periodik kecuali…
Arsen
Nitrogen
Selenium
Fosfor
Bismut
3.
MULTIPLE CHOICE QUESTION
1 min • 5 pts
Unsur-unsur transisi dalam mulai dijumpai pada perioda…
3
4
5
6
7
4.
MULTIPLE CHOICE QUESTION
1 min • 5 pts
Jika nomor atom dalam satu golongan makin kecil, maka yang bertambah besar adalah…
Jari-jari atom
Massa atom
Jumlah elektron valensi
Energi ionisasi
Sifat logam
5.
MULTIPLE CHOICE QUESTION
1 min • 5 pts
Nilai energi pengionan ke-1 sampai ke-5 untuk unsur X pada golongan utama berturut-turut adalah 509, 979, 3300, 4400 dan 5700 kJ/mol. Berdasarkan data tersebut, dapat disimpulkan bahwa unsur X cenderung membentuk ion….
X+1
X+2
X+3
X+4
X+5
6.
MULTIPLE CHOICE QUESTION
1 min • 5 pts
Energi ionisasi (Kj/mol) ke 1 sampai ke 5 untuk unsur X berturut-turut adalah 786, 1.580, 3.230, 4.360, dan 16.010. Senyawa yang dapat terbentuk dan stabil adalah....
XCl3
X2O3
XCl2
XO3
XCl4
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