Jisim atom relatif ialah jisim bagi satu _____ sesuatu unsur dibandingkan dengan 1/12 jisim atom karbon-12

Bab 3 konsep mol

Quiz
•
Chemistry
•
4th Grade
•
Hard
Pals Gamps
Used 7+ times
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21 questions
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1.
FILL IN THE BLANK QUESTION
30 sec • 1 pt
2.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
Mengapakah karbon-12 dipilih sebagai atom piawai penentuan JAR?
Kerana karbon-12 sukar dijumpai
Karbon-12 ialah isotop karbon yang mempunyai kelimpahn 99%
Karbon-12 bersifat pepejal dan mudah dikendalikan
Karbon-12 berbentuk gas dalam keadaan bilik
JAR bagi karbon-12 adalah tepat 12.0
3.
FILL IN THE BLANK QUESTION
1 min • 1 pt
Berapa banyak atom magnesium yang diperlukan supaya mempunyai jisim yang sama dengan 2 atom argentum ?
[ JAR : Mg=24, Ag=108]
4.
FILL IN THE BLANK QUESTION
1 min • 1 pt
Satu atom Kalsium adalah 2 kali ganda daripada satu atom Neon.
Berapakah jisim atom relatif bagi Kalsium?
[ JAR : Ne=20]
5.
FILL IN THE BLANK QUESTION
1 min • 1 pt
Berapakah atom oksigen supaya sama dengan 2 atom kuprum?
[ JAR : O=16, Cu=64]
6.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Berikut merupakan contoh bagi sebatian ion kecuali :
Natrium klorida
Magnesium sulfat terhidrat
Ammonia
Zink klorida
7.
FILL IN THE BLANK QUESTION
1 min • 1 pt
Berapakah jisim formula relatif bagi sebatian Magnesium sulfat terhidrat, MgSO4.7H2O ?
[ JAR : Mg=24, S=32, O=16, H=1]
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