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- 1. Multiple Choice
How many oxygen atoms are in 6H2O ?
1
2
6
- 2. Multiple Choice
How many chlorine atoms are in NaClO4 ?
1
2
4
- 3. Multiple Choice
How many hydrogen atoms are in Pb(HCO3)4 ?
1
3
4
- 4. Multiple Choice
How many sulfur atoms are in H2SO4 ?
1
2
4
- 5. Multiple Choice
Consider 4MgI2. The coefficient is the number of formula units of MgI2.
true
false
- 6. Multiple Choice
The chemical formula is C4H10. How many hydrogen atoms are in one molecule of this?
1
4
10
- 7. Multiple Choice
There are three carbon atoms in one formula unit of K2CO3.
true
false
- 8. Multiple Choice
Mg(NO3)2 has five oxygen atoms per formula unit.
true
false
- 9. Fill in the Blank
How many molecules are represented by 2C6H12O6 ?
- 10. Fill in the Blank
How many atoms are in one molecule of C12H22O11 ?
- 11. Fill in the Blank
How many atoms/ions are in one formula unit of Zn(C2H3O2)2 ?
- 12. Fill in the Blank
How many atoms/ions are in 3Mn2(CO3)7 ?
- 13. Fill in the Blank
How many total atoms are in 4N2 ?
- 14. Fill in the Blank
How many carbon atoms are in 3 CH3CH3CH2CH2CH2CH3 ?
- 15. Fill in the Blank
How many lead (Pb) ions are in 3Pb(NO2)2 ?
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