
Quiz Jisim atom dan molekul relatif

Quiz
•
Chemistry
•
10th Grade
•
Easy
Hasif Hasif
Used 3+ times
FREE Resource
10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Antara yang berikut, pernyataan manakah yang menrangkan sebab karbon-12 dipilih sebagai rujukan piawai untuk menentukan jisim atom relatif dengan tepat?
A. Mempunyai tiga isotop
B. Unsur bukan logam
C. Tidak mudah bergabung dengan dengan unsur-unsur lain
D. Pepejal pada suhu bilik dan mudah dikendali
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Hitung jisim molekul relatif bagi metana, CH4
[JAR : C = 12, H =1]
17
16
19
18
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Hitung jisim molekul relatif bagi karbon dioksida, CO2
[JAR : C=12, O = 16]
46
45
44
47
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Hitung jisim formula relatif bagi natrium oksida, Na2O
[JAR : Na =23, O = 16]
62
60
64
63
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Hitung jisim molekul relatif bagi propanol, C3H7OH
[JAR : C = 12, H = 1, O = 16]
61
63
60
62
6.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Hitung jisim formula relatif bagi ferum (iii) nitrat, Fe(NO3)3
240
242
243
241
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
JAR bagi magnesium, Mg, jika satu atom magnesium dua kali ganda lebih berat daripada atom karbon-12
23
25
22
24
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