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Counting atoms

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  • How many O atoms in this compound?
    2
  • How many elements are there in NaCl?
    2
  • How many O atoms in this compound?
    8
  • How many P atoms in this compound?
    2
  • How many total atoms are present in the compound 2Ca(OH)2?
    10
  • How many elements are there in C7H5(NO2)3 ?
    4
  • How many O atoms in this compound?
    12
  • How many Cl atoms in this compound?
    2
  • How many Ba atoms in this compound?
    3
  • How many Fe atoms in this compound?
    2
  • The big number at the beginning of a formula
    coefficient
  • How many oxygen atoms in this compound?
    24
  • How many total atoms are present in the compound Mg(OH)2?
    5
  • How many O atoms in this compound?
    5
  • how many elements are there in CH3OH ?
    4
  • How many O atoms in this compound?
    24
  • How many S atoms in this compound?
    3
  • How many elements are present in Na2s203
    3
  • How many H atoms in this compound?
    1
  • How many sulfur atoms in this compound?
    8