Integrated Science II

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Integrated Science II

• Balancing Chemical Equations

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Student assignment

• 5H2
• 1) What number represents the coefficient?
• 2) What number represents the subscript?
• 3) What element is represented by the letter H?
• 4) How many Hs do you have?

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Student assignment

• 5H2O

• How many atoms?

15

• How many elements?

2

• How many molecules?

5
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Student assignment

• 3NaCl

• How many atoms?

6

• How many elements?

2

• How many molecules?

3
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Balancing Equations

• Cu2O C ? Cu CO2

2
4
2
Cu O C
Cu O C
2
2
4
1
4
2
2
1
1
1
Balanced!
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More Problems
Try these!