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Counting Elements, Atoms, and Molecules

Counting Elements, Atoms, and Molecules. 8.5DF – Part 1. Counting Elements, Molecules, and Atoms. H 2 0. Counting Elements, Molecules, and Atoms. Counting Elements, Molecules, and Atoms. Counting Elements, Molecules, and Atoms. 4Ca 3 (PO 4 ) 2. 1. 2. 3.

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Counting Elements, Atoms, and Molecules

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  1. Counting Elements, Atoms, and Molecules 8.5DF – Part 1

  2. Counting Elements, Molecules, and Atoms H20

  3. Counting Elements, Molecules, and Atoms

  4. Counting Elements, Molecules, and Atoms

  5. Counting Elements, Molecules, and Atoms 4Ca3(PO4)2 1 2 3

  6. Counting Elements, Molecules, and Atoms 4Ca3(PO4)2 4 molecules

  7. Counting Elements, Molecules, and Atoms 3CO2 If there is no subscript or coefficient, it is an invisible 1 3 Carbon atoms 6 Oxygen Atoms (3 x 2 = 6)

  8. What about this one? 3Na2SO4 3 molecules! 4 atoms 2 atoms No subscript? ? How many capital letters ? ?

  9. What about this one? 2K2CO3 2 molecules! 3 atoms 2 atoms No subscript? How many capital letters ? ? ?

  10. What happens if you see this? 4Ca3(PO4)2 What do the ( ) stand for?

  11. What happens if you see this? 4Ca3(PO4)2 4 X 3 = 12 4 X 2 = 8 4 X 4 x 2 = 32

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