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Counting Atoms!
Test Description: Counting Atoms
Instructions: Answer all questions to get your test result.
1) How many chromium atoms are in 2Cr2(CO3)3
A
12
B
4
C
2
D
1
2) How many sulfur atoms are in 5Al2(SO4)3
A
3
B
4
C
15
D
5
3) How many oxygen atoms are in 2Cu(NO3)2?
A
6
B
3
C
12
D
2
4) How many oxygen atoms are in 2H20?
A
3
B
4
C
1
D
2
5) How many sulfur atoms are in CuSO4?
A
1
B
4
C
3
D
2
6) How many sodium atoms are in 2NaCl?
A
6
B
4
C
2
D
1
7) How many hydrogen atoms are in 5C2H6O?
A
12
B
5
C
30
D
6
8) How many phosphorus atoms are in 2Ca3(PO4)2?
A
4
B
8
C
2
D
16
9) How many fluorine atoms are in 4NaF?
A
1
B
8
C
2
D
4
10) How many lead atoms are in Pb(OH)2?
A
4
B
2
C
1
D
6
11) How many oxygen atoms are in 3K2SO4?
A
4
B
16
C
12
D
8
*select an answer for all questions
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