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Counting Atoms, Elements, And Molecules
Test Description: Chemical Formulas
Instructions: Answer all questions to get your test result.
1) How many Elements are in: NaCl2
A
2
B
3
C
4
D
1
2) How many Molecules are in: 4Pb(SO)4
A
8
B
4
C
3
D
16
3) How many Atoms are in: H2O
A
2
B
1
C
4
D
3
4) How many Elements are in C6H12O6
A
6
B
12
C
3
D
24
5) How many Molecules are in: 3NaCl
A
4
B
3
C
1
D
2
6) How many Atoms are in: C6H12O6
A
24
B
36
C
12
D
6
7) How many Elements are in: NaHCO3
A
4
B
6
C
3
D
5
8) How many Molecules are in: 4CO2
A
2
B
6
C
8
D
4
9) How many Atoms are in: NaHCO3
A
6
B
12
C
7
D
4
10) How many Elements are in: MgCO3
A
2
B
1
C
4
D
3
11) How many Molecules are in: 5MgCO3
A
3
B
10
C
8
D
5
12) How many Atoms are in: 2MgCO3
A
7
B
10
C
5
D
6
13) How many Elements are in: Na2(SO4)2
A
6
B
3
C
16
D
8
14) How many Molecules are in: 4H2O
A
1
B
2
C
3
D
4
15) How many Atoms are in: Na2(SO4)2
A
12
B
20
C
8
D
16
16) How many Elements are in: C8H11N4O2
A
20
B
8
C
16
D
4
17) How many Molecules are in: 3Ca(CN)2
A
2
B
1
C
3
D
4
18) How many Atoms are in: 3Ca(CN)2
A
7
B
15
C
11
D
5
19) How many Elements are in: CHOH3
A
4
B
3
C
1
D
2
20) How many Atoms are in: 2H3PO4
A
24
B
2
C
16
D
9
*select an answer for all questions
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