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- 1. Multiple Choice
How many atoms of each element are in NaCl?
Na=1, Cl=1
Na=2. Cl=2
Na=1, Cl=2
- 2. Multiple Choice
How many elements are in this substance: CaCO3
2
3
4
5
- 3. Multiple ChoiceWhat is a coefficient?The small number on the right of the chemical symbol.The large number to the left of a formula.
- 4. Multiple Choice
How many Hydrogen atoms are in 4H2O?
6
8
2
4
- 5. Multiple Choice
How many atoms are there TOTAL in H2SO4 ?
6
5
7
3
- 6. Multiple Choice
How many Hydrogen atoms in 3(NH₄)₂CrO₄?
4
2
8
24
- 7. Multiple ChoiceHow many atoms of Oxygen are in Fe(NO3)3 ?6391
- 8. Multiple Choice
How many atoms are present if there is no subscript following the element symbol?
0
2
only 1
1 million
- 9. Multiple Choice
The ______ are numbers found on the lower right-hand side of an element symbol.
Coefficient
Exponent
Multiplier
Subscript
- 10. Multiple Choice
4CF2Cl2
C = 4, F = 4, Cl = 2
C = 1, F = 8, Cl = 8
C = 4, F = 8, Cl = 8
C = 1, F = 4, Cl = 8
- 11. Multiple Choice
C3H5(NO3)3
C = 3, H = 5, N = 3, O = 9
C = 3, H = 5, N = 1, O = 9
C = 9, H = 15, N = 3, O = 9
C = 9, H = 15, N = 1, O = 3
- 12. Multiple Choice
H2SO4
H = 2, S = 4, O = 4
H = 2, S = 1, O = 4
H = 8, S = 4, O = 4
H = 2, SO = 4
- 13. Multiple ChoiceWhich is the correct formula for:
three hydrogen (H)
one sulfur (S)
four oxygen (O)H3SO4HSO4H4S3OH2O - 14. Multiple ChoiceNumber of C's in 2Na₂CO₃1235
- 15. Multiple ChoiceThe number of Na's in Na₂CO₃1236
- 16. Multiple ChoiceHow many Elements are in the compound C2H8O ?2130
- 17. Multiple ChoiceHow many total atoms are in the compound C2H8O ?11281
- 18. Multiple ChoiceHow many Aluminum are in Al2O3?325
- 19. Multiple ChoiceHow many Sodium (Na) are in 6NaCl?1126
- 20. Multiple ChoiceHow many Chlorine are in MgCl2?213
- 21. Multiple ChoiceHow many Magnesium are in 10MgCl2?10520
- 22. Multiple ChoiceHow many Nitrogen are in 2AlN?4512
- 23. Multiple ChoiceHow many atoms are there TOTAL in:
H2SO46573 - 24. Multiple ChoiceHow many elements are in C6H12O6?1234
- 25. Multiple Choice
How many atoms of Hydrogen are in this compound1234 - 26. Multiple ChoiceHow many atoms of Oxygen are in this compound?1234
- 27. Multiple Choice
How many carbon atoms are in this compound?
H2C3O4N5
2
3
4
5
- 28. Multiple ChoiceHow many TOTAL atoms are in this compound?
H2C3O4N55141519 - 29. Multiple ChoiceNumber of C's in 2Na₂CO₃1235
- 30. Multiple ChoiceHow many Elements are in the compound C2H8O ?2130
- 31. Multiple ChoiceHow many total atoms are in the compound C2H8O ?11281
- 32. Multiple ChoiceHow many Chlorine are in MgCl2?213
- 33. Multiple ChoiceHow many Magnesium are in 10MgCl2?10520
- 34. Multiple ChoiceNumber of H in 3(NH₄)₂CrO₄42824
- 35. Multiple ChoiceHow many Hydrogen are in 4H2O?6824
- 36. Multiple ChoiceHow many Oxygen are in H2O?1204
- 37. Multiple ChoiceHow many O's are in Al₂(SO₄)₃412724
- 38. Multiple ChoiceNumber of H in 3(NH₄)₂CrO₄42824
- 39. Multiple ChoiceHow many O's are in Al₂(SO₄)₃412724
- 40. Multiple Choice
How many Nitrogen atoms are in the in H2C3O4N5?
2
3
4
5
- Answer choicesTagsAnswer choicesTags