KD 2 lambang unsur, rumus kimia dan persamaan reaksi
Quiz
•
Chemistry
•
10th Grade
•
Hard
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15 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Jumlah atom N pada senyawa (NH4)2SO4 adalah...
0
1
2
3
4
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Molekul di bawah ini yang termasuk molekul unsur adalah ....
CO2
N2O
NaCl
H2
CH2Cl
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Jika sepotong logam perak dipotong sekecil- kecilnya hingga diperoleh suatu bagian yang sudah tidak dapat dibagi lagi namum masih memiliki sifat seperti perak. bagian itu disebut...
partikel
molekul
unsur
atom
ion
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Rumus empiris di bawah ini yang perbandingan ion- ion penyusunnya 1:1 adalah...
NaCl
KCl
MgCl2
LiCl
MgO
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Dalam suatu molekul barium hidroksida Ba(OH)2 terdapat.....
2 atom Ba, 1 atom O dan 1 atom H
1 atom Ba, 2 atom O dan 1 atom H
1 atom Ba, 2atom O dan 2atom H
2 atom Ba, 2 atom O dan 1 atom H
3 atom Ba, 2 atom O dan 2 atom H
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
lambang unsur kalsium adalah ....
K
Ca
Ka
Kl
Cl
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Lambang unsur senyawa garam dapur adalah...
CaCl2
FeCl3
CaCO3
C6H12O6
NaCl
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