Latih Tubi JAR, JMR, JFR

Quiz
•
Chemistry
•
10th Grade
•
Hard
Zulhilmi Zailani
Used 3+ times
FREE Resource
8 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
10 mins • 1 pt
Magnesium secara semula jadi wujud dalam tiga isotop, iaitu 79% 24Mg, 10% 25Mg dan 11% 26Mg. Hitungkan jisim atom relatif magnesium.
25.01
24.32
0.2501
0.2432
2.
MULTIPLE CHOICE QUESTION
10 mins • 1 pt
Diberi maklumat isotop bagi zink adalah seperti berikut:
Zn-65: 60%
Zn-66: 40%
Berapakah jisim atom relatif bagi zink, Zn?
65.6
0.656
65.4
0.654
3.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
Kirakan JFR bagi NaHCO3.
[JAR: Na = 23, H = 1, C = 12, O =16]
98
76
52
84
4.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
Diberi jisim formula relatif bagi plumbum ferum (III) bromida, FeBr3 ialah 296.
Hitung JAR bagi unsur bromin, Br.
[JAR: Fe = 56]
80
35.5
19
240
5.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
Diberi jisim formula relatif bagi kalium nitrat, KNO3 ialah 101.
Cari JAR bagi unsur yang bergaris.
[JAR: K = 39, O = 16]
12
14
6
7
6.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
Asid fosforik, H3PO4 mempunyai jisim molekul relatif sebanyak 98.
Berapakah JAR bagi unsur oksigen?
[JAR: H = 1, P = 31]
16
32
48
60
7.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
Satu sebatian dengan formula X2SO4 mempunyai JFR 142.
Antara yang berikut yang manakah JAR bagi unsur X?
[JAR: S = 32, O = 16]
52
39
78
23
8.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
Apakah perbezaan JMR dan JFR?
JMR:
Unsur logam + Unsur bukan logam = Ikatan ion
JFR:
Unsur bukan logam + Unsur bukan logam = Ikatan kovalen
JMR:
Unsur bukan logam + Unsur bukan logam = Ikatan kovalen
JFR:
Unsur logam + Unsur logam = Ikatan logam
JMR:
Unsur bukan logam + Unsur bukan logam = Ikatan kovalen
JFR:
Unsur logam + Unsur bukan logam = Ikatan ion
JMR:
Unsur logam + Unsur bukan logam = Ikatan ion
JFR:
Unsur logam + Unsur peralihan = Ikatan cinta
Answer explanation
- Jisim molekul relatif melibatkan sebatian molekul yang terbentuk daripada unsur bukan logam dan unsur bukan logam.
- Jisim formula relatif melibatkan sebatian ion yang terbentuk daripada unsur logam dan unsur bukan logam.
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