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Quiz
•
Chemistry
•
10th Grade
•
Practice Problem
•
Hard
Tessa Noviri
Used 2+ times
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10 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Apa yang dimaksud dengan massa atom relatif?
massa rata - rata 1 atom unsur tersebut dibandingkan dengan massa rata - rata 1 atom karbon - 12 Massa rata-rata dari isotop X yang ada di alam.
massa rata - rata 1 atom unsur tersebut dibandingkan dengan 12 kali massa rata - rata 1 atom karbon – 12
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Apa yang dimaksud dengan massa molekul relatif?
Massa satu atom.
Massa beberapa senyawa.
Massa seluruh atom yang menyusun molekul.
Massa unsur.
3.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Jika massa 1 atom X = p gram , massa 1 atom C-12 = q gram, maka Ar X adalah....
4.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
perbandingan massa rata-rata satu atom unsur tersebut dengan massa satu atom isotop C-12 disebut ....
Massa atom relative
Massa molekul relative
Jumlah zat yang mengandung 6,02 x 1023
Massa molar.
5.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Bila massa atom C-12 adalah 2 x 10 -26 kg dan massa satu atom Magnesium adalah 4 x 10-26 kg, maka massa atom relatif dari Mg adalah ….
12
24
36
48
6.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Klorin terdiri atas dua jenis isotop, yaitu Cl-35 dan Cl-37 dengan kelimpahan masing-masing berturut-turut adalah 75% dan 25%. Maka berapa massa atom relatif (Ar) dari klorin tersebut ....
36
35,8
35,6
35,5
7.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Tentukan berapa besarnya nilai Mr dari (NH4)2SO4 jika diketahui Ar N = 24, H = 1, S = 32 dan O = 16?
187
120
132
123
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