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# Challenge 2 - PowerPoint PPT Presentation

Compound Challenge. Challenge 2. T. Trimpe 2008 http://sciencespot.net/. Use the formulas provided to determine the number of atoms of each element in each compound. 1. 4CO 2 2. 2H 2 O 2 3. 3Mg(OH) 2 4. 6NaSO 4 5. 4CH 4.

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Challenge 2

T. Trimpe 2008 http://sciencespot.net/

Use the formulas provided to determine the number of atoms of each element in each compound.

1. 4CO2

2. 2H2O2

3. 3Mg(OH)2

4. 6NaSO4

5. 4CH4

Remember to list each element’s symbol and tell the number of atoms for each!

The answers are … of each element in each compound.

C = 4 O = 8

1. 4CO2

2. 2H2O2

3. 3Mg(OH)2

4. 6NaSO4

5. 4CH4

H = 4 O = 4

Mg = 3 O = 6 H = 6

Na = 6 S = 6 O = 24

C = 4 H = 16