
3.1 JAR & JMR
Authored by wan nor'aizzati
Chemistry
10th - 11th Grade
Used 18+ times

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10 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Apakah maksud jisim atom relatif, JAR?
Jisim atom
Jisim purata satu atom unsur tersebut berbanding dengan 1/12 kali jisim satu atom karbon-12.
Jisim purata satu atom unsur tersebut berbanding dengan jisim atom karbon-12.
2.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Atom manakah antara berikut dijadikan atom piawai bagi penentuan jisim suatu atom?
Hidrogen, H
Oksigen, O
Karbon-12, C
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Disebabkan JAR merupakan nilai perbandingan, adakah ia mempunyai unit?
Ada
Tiada
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
JAR Magnesium ialah 24.
Hal ini bermakna jisim purata satu atom Magnesium adalah _____ kali 1/12 jisim satu atom karbon-12.
12
24
2
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
JAR atom oksigen ialah 18.
Hal ini bermakna jisim purata satu atom oksigen adalah ____ kali 1/12 jisim satu atom karbon-12.
18
1
3/2
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Jisim molekul relatif,JMR bermaksud...
Jisim purata molekul tersebut berbanding dengan 1/12 kali jisim satu atom karbon-12.
Jisim purata molekul tersebut berbanding dengan jisim satu atom karbon-12.
7.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Kira JMR bagi metana, CH4
[JAR C=12 , H=1]
13
16
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