Antara unsur Kumpulan 1 berikut, yang manakah mempunyai saiz atom paling kecil?
KUIZ OLIMPIAD KIMIA 2024

Quiz
•
Chemistry
•
9th - 12th Grade
•
Medium
NOOR SYAFIQAH BINTI ABDULLAH Moe
Used 2+ times
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20 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Litium
Natrium
Rubidium
Kalium
2.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Antara yang berikut, yang manakah asid dwibes?
Asid nitrik
Asid etanoik
Asid sulfurik
Asid hidroklorik
3.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Antara unsur berikut, yang manakah disimpan dalam minyak parafin?
Kadmium
Kalium
Kromium
Magnesium
4.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Rajah menunjukkan seorang individu yang menghidapi sejenis penyakit. Antara yang berikut, yang manakah digunakan untuk merawat penyakit tersebut?
Kobalt-60
Iodin-131
Karbon-12
Uranium-236
5.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Rajah mewakili susunan elektron bagi satu sebatian yang terbentuk antara magnesium dengan fluorin. Apakah sifat sebatian itu?
Boleh mengkonduksi elektrik dalam keadaan akueus
Wujud sebagai cecair pada suhu bilik
Mempunyai takat lebur dan takat didih yang rendah
Larut dalam propanon
6.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Apakah peratus komposisi mengikut jisim bagi atom nitrogen dalam ammonium sulfat, (NH4)2SO4.
[Jisim atom relatif: H=1, N=14, O=16, S=32]
10.61%
12.28%
21.21%
24.56%
7.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Rajah menunjukkan formula struktur bagi suatu sebatian yang disintesis oleh tumbuhan semasa fotosintesis. Apakah formula empirik sebatian itu?
CHO
CH2O
C6H12O6
C2H1O2
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