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7.6B ID and count Atoms Unit one review

Quiz by Gregorio Martinez

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5 questions
Show answers
  • Q1
    Which of the following represents the correct number of atoms in the chemical formula C6H12O6?
    12 carbon, 6 hydrogen, 6 oxygen
    6 carbon, 12 hydrogen, 12 oxygen
    6 carbon, 12 hydrogen, 6 oxygen
    6 carbon, 6 hydrogen, 12 oxygen
    30s
  • Q2
    In the chemical formula Fe2O3, how many iron (Fe) atoms are there?
    4
    2
    1
    3
    30s
  • Q3
    In the formula Na2CO3, how many sodium atoms are there?
    3
    1
    2
    4
    30s
  • Q4
    In the compound H2SO4, how many sulfur (S) atoms are present?
    3
    2
    1
    4
    30s
  • Q5
    What is the chemical symbol for Sodium?
    Na
    K
    S
    Ca
    30s

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