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- 1. Multiple ChoiceHow many Hydrogen atoms are in 4H2O?6824
- 2. Multiple ChoiceHow many Oxygen atoms are in H2O?1204
- 3. Multiple ChoiceHow many Magnesium atoms are in 10MgCl2?1052012
- 4. Multiple ChoiceHow many TOTAL atoms are there in:
H2SO46573 - 5. Multiple ChoiceHow many elements are in C6H12O6?1234
- 6. Multiple ChoiceHow many Sodium atoms are in 6NaCl?1126
- 7. Multiple Choice
How many atoms of Hydrogen are in this molecule?1234 - 8. Multiple ChoiceElement or Compound?
C2H8OElementLettersNumbersCompound - 9. Multiple ChoiceA subscript is the small number to the lower left of a(n) ________ that tells the number of _______ of that element.element symbol; atomsatom; element symbolsubscript; protonscompound; elements
- 10. Multiple ChoiceWhich is the correct formula for:
three hydrogen atoms (H)
one sulfur atom (S)
four oxygen atoms (O)H3SO4HSO4H4S3OH2O - 11. Multiple ChoiceHow many elements are in the compound C2H8O ?2130
- 12. Multiple ChoiceHow many TOTAL atoms are in the compound?
C2H8O11281 - 13. Multiple ChoiceHow many TOTAL atoms are in this compound?
H2C3O4N55141519 - 14. Multiple ChoiceElement or Compound?
O2ElementCompound - 15. Multiple ChoiceHow many atoms are Carbon are in the compound C2H8O ?82111
- 16. Multiple ChoiceHow many Nitrogen atoms are in 2AlN?4512
- 17. Multiple ChoiceHow many atoms of Oxygen are in this molecule?1234
- 18. Multiple ChoiceWhich of these is a molecule only, not a compound?H2CrCr3OHPNi
- 19. Multiple ChoiceWhat is a coefficient?The small number on the right of the chemical symbolThe small number on the left of a chemical symbolA number that comes before a molecule and identifies how many molecules there areA number that comes after a molecule and identifies how many molecules there are
- 20. Multiple ChoiceA pure substance that cannot be broken down into simpler substances.elementcompoundmoleculecarbon dioxide
- Answer choicesTagsAnswer choicesTags