
Latihan Soal Persiapan Olimpiade IPA
Quiz
•
Science
•
6th - 8th Grade
•
Practice Problem
•
Hard
Lailatur Rohmah
Used 2+ times
FREE Resource
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45 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Konfigurasi elektron suatu unsur adalah 1s² 2s² 2p⁶ 3s² 3p⁶ 4s¹. Unsur tersebut termasuk dalam golongan dan periode ...
Golongan IA, Periode 4
Golongan IIA, Periode 3
Golongan IB, Periode 4
Golongan VIIA, Periode 3
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Unsur X terletak pada golongan IIIA dan periode ke-2. Nomor atom unsur tersebut adalah ...
A. 5
B. 6
C. 7
D. 8
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Jika unsur X dari golongan IIA bereaksi dengan unsur Y dari golongan VIA, maka rumus senyawa yang terbentuk adalah ...
XY
XY₂
X₂Y
X₂Y₃
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Berikut ini yang termasuk zat aditif makanan alami adalah ...
Asam benzoat
Tartrazin
Kurkumin
Natrium nitrit
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Jumlah seluruh atom dalam senyawa Al₂(SO₄)₃ adalah ...
7
12
17
21
6.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Manakah pasangan yang benar antara jenis unsur dan contohnya?
Logam – Karbon
Metaloid – Silikon
Nonlogam – Natrium
Logam – Fosfor
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Tentukan massa molekul relatif (Mr) dari CaCO₃! (Ar Ca = 40, C = 12, O = 16)
56
68
88
100
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