Postest Konfigurasi Elektron
Quiz
•
Chemistry
•
10th Grade
•
Practice Problem
•
Medium
naziratul husna
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10 questions
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1.
MULTIPLE CHOICE QUESTION
45 sec • 10 pts
Diketahui suatu unsur 16X diagram orbital paling tepat untuk elektron terakhir dari unsur X adalah…
[Ne] ↑↓ ↑ ↑ ↑
[Ne] ↑↓ ↑↓ ↑↑
[Ne] ↑↓ ↑↓ ↑↓ ↑↓
[Kr] ↑↓ ↑↓ ↑↑
[Kr] ↑↓ ↑ ↑ ↑
2.
MULTIPLE CHOICE QUESTION
45 sec • 10 pts
Perhatikan 5 unsur dengan 5 nomor atom masing-masing di bawah ini:
1. P12
2. Q16
3. R19
4. S34
5. T53
Unsur-unsur yang terletak pada golongan yang sama pada sistem periodik adalah…
P dan Q
P dan R
S dan T
Q dan S
R dan T
3.
MULTIPLE CHOICE QUESTION
45 sec • 10 pts
Data 4 unsur dengan nomor atom masing-masing di bawah ini:
Unsur K19 N7 Na11 F9
Urutan unsur yang memiliki jari-jari atom dari yang terbesar ke yang terkecil adalah…
K>N>Na>F
K>Na>N>F
N>F>Na>K
K>Na>F>N
F>N>Na>K
4.
MULTIPLE CHOICE QUESTION
45 sec • 10 pts
Konfigurasi elektron yang sesuai untuk Fe26 adalah…
[Ar] 3d4 4s2
[Ar] 3d6 4s2
[Ar] 3d3 4s2 4p1
[Ar] 3d4 4s1 4p2
[Ar] 3d4 4p2
5.
MULTIPLE CHOICE QUESTION
45 sec • 10 pts
“Pengisian elektron dimulai dari tingkat energi terendah ke Tingkat energi tertinggi”. Prinsip tersebut dikemukan oleh…
Aturan Hund
Azas Pauli
Atom mekanika kuantum
Diagram Orbital
Aturan Aufbau
6.
MULTIPLE CHOICE QUESTION
30 sec • 10 pts
Diketahui nomor atom S = 16, jumlah elektron pada ion S-2adalah....
14
16
18
20
22
7.
MULTIPLE CHOICE QUESTION
30 sec • 10 pts
Tiga buah unsur dengan notasi sebagai berikut: 11P23, 12Q24, 17R35
Konfigurasi elektron unsur P adalah .... (Nomor atom Ne = 10, Ar = 18)
[Ne] 3s1
[Ar] 3s1
[Ar] 4s2 3d3
[Ne] 4s1
[Ar] 4s1
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