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Chemical Formulas

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  • How many total atoms in this chemical formula?
    42
  • Which of the following are compounds?
    O2 AND CO2
  • How many oxygen atoms are in this chemical formula
    36
  • What is Mg(NO3)2 made up of? Include elements and number of them.
    1 Magnesium 2 nitrogen's 6 oxygens
  • What elements are in this chemical formula?
    Zinc (Zn) Sulfur (S) Oxygen (O)
  • How many Potassium atoms are in this chemical formula?
    8
  • If there is no subscript, there is ______ atom(s) of that element.
    1
  • Which is the correct formula for: three hydrogen (H) one sulfur (S) four oxygen (O):
    H3SO4
  • What are the subscripts in this chemical formula?
    Mg= 1 Cl=2
  • How many total atoms in this chemical formula?
    21
  • The coefficient tell us what about the chemical formula?
    how many compounds there are
  • What is NaHCO3 (Baking Soda) made up of?
    1 sodium, 1 hydrogen, 1 carbon, 3 oxygen
  • 2 is a coefficient or subscript?
    subscript
  • What is the coefficient in this chemical formula?
    coefficient:3 
  • How many Nitrogen atoms are in this chemical formula?
    12
  • Is H20 an element or compound
    compound
  • How many total atoms in this chemical formula?
    52
  • What elements are in this chemical formula?
    Potassium (K) Carbon (C) Oxygen (O)
  • How many total atoms are in this chemical formula?
    9
  • How many total atoms does this chemical formula have?
    13