Konfigurasi elektron atom magnesium (Mg) dengan nomor atom 12 adalah ...
Formatif 2: Konfigurasi Elektron & Letak Unsur dlm SPU
10th Grade
•10 Qs
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Formatif 2: Konfigurasi Elektron & Letak Unsur dlm SPU
Quiz
•
Chemistry
•
10th Grade
•
Hard
Asmawati Ilyas
FREE Resource
10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 5 pts
A. 1s2 2s2 2p6 3s1
B. 1s2 2s2 2p6 3s2
C. 1s2 2s2 2p6 3s2 3p1
D. 1s2 2s2 2p6 3s2 3p2
E. 1s2 2s2 2p6 3s2 3p3
2.
MULTIPLE CHOICE QUESTION
30 sec • 5 pts
Aturan Aufbau menyatakan bahwa ...
A. Elektron pertama-tama mengisi orbital dengan energi terendah terlebih dahulu.
B. Elektron mengisi orbital dengan spin yang sama sebelum mengisi orbital dengan spin yang berlawanan.
C. Dalam satu orbital, hanya boleh ada maksimal dua elektron dengan spin yang berlawanan.
D. Semua jawaban benar.
E. Tidak ada jawaban benar
3.
MULTIPLE CHOICE QUESTION
30 sec • 5 pts
Diketahui nomor atom Fe = 26, konfigurasi elektron yang tepat adalah ....
A. 1s2 2s2 2p6 3s2 3p6 4s2 3d4
B. 1s2 2s2 2p6 3s2 3p6 3d5
C. 1s2 2s2 2p6 3s2 3p6 4s2 3d6
D. 1s2 2s2 2p6 3s2 3p6 4s1 3d4
E. 1s2 2s2 2p6 3s2 3p6 3d6
4.
MULTIPLE CHOICE QUESTION
30 sec • 5 pts
Tidak boleh ada elektron dalam satu atom yang memiliki ke empat bilangan kuantum yang sama. Pernyataan ini dikemukakan oleh…
Max Planck
Aufbau
Hund
Pauli
Heisenberg
5.
MULTIPLE CHOICE QUESTION
30 sec • 5 pts
Jumlah elektron valensi dari atom yang memiliki bilangan kuantum, n = 3, 1 = 1, m = -1, s = +1/2 adalah….
1
2
3
4
5
6.
MULTIPLE CHOICE QUESTION
30 sec • 5 pts
Keempat bilangan kuantum untuk elektron terakhir dari atom X dengan nomor atom 23 adalah…
A. n=3, l=0, m=0, s=+½
B. n=3, l=1, m=+1, s=-½
C. n=3, l=2, m=+1, s=+½,
D. n=3, l=2, m=-1, s=+½
E. n=3, l=2, m=0, s=+½
7.
MULTIPLE CHOICE QUESTION
30 sec • 5 pts
Jumlah total elektron dari suatu atom yang ke empat bilangan kuantum elektron terakhirnya n = 2, l =1, m = 0, s= -½ adalah…
4
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