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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
4
B
2
C
3
D
1
2) How many Molecules are in: 4Pb(SO)4
A
4
B
3
C
16
D
8
3) How many Atoms are in: H2O
A
3
B
1
C
4
D
2
4) How many Elements are in C6H12O6
A
12
B
3
C
24
D
6
5) How many Molecules are in: 3NaCl
A
1
B
2
C
4
D
3
6) How many Atoms are in: C6H12O6
A
12
B
6
C
36
D
24
7) How many Elements are in: NaHCO3
A
3
B
4
C
6
D
5
8) How many Molecules are in: 4CO2
A
8
B
4
C
2
D
6
9) How many Atoms are in: NaHCO3
A
4
B
6
C
12
D
7
10) How many Elements are in: MgCO3
A
1
B
2
C
3
D
4
11) How many Molecules are in: 5MgCO3
A
3
B
10
C
5
D
8
12) How many Atoms are in: 2MgCO3
A
10
B
7
C
6
D
5
13) How many Elements are in: Na2(SO4)2
A
16
B
6
C
8
D
3
14) How many Molecules are in: 4H2O
A
4
B
2
C
3
D
1
15) How many Atoms are in: Na2(SO4)2
A
16
B
8
C
20
D
12
16) How many Elements are in: C8H11N4O2
A
8
B
4
C
16
D
20
17) How many Molecules are in: 3Ca(CN)2
A
4
B
2
C
3
D
1
18) How many Atoms are in: 3Ca(CN)2
A
15
B
11
C
5
D
7
19) How many Elements are in: CHOH3
A
4
B
2
C
3
D
1
20) How many Atoms are in: 2H3PO4
A
24
B
9
C
16
D
2
*select an answer for all questions
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