Creating a counting atoms worksheet involves providing chemical formulas and asking students to count the number of atoms of each element present in the compounds. Here’s a simple example worksheet:

Counting Atoms Worksheet

**Instructions:** Count the number of atoms for each element in the given chemical formulas.

1. H₂O
– Hydrogen (H): ________
– Oxygen (O): ________

2. CH₄
– Carbon (C): ________
– Hydrogen (H): ________

3. 2NaCl
– Sodium (Na): ________
– Chlorine (Cl): ________

4. C₆H₁₂O₆
– Carbon (C): ________
– Hydrogen (H): ________
– Oxygen (O): ________

5. Al₂(SO₄)₃
– Aluminum (Al): ________
– Sulfur (S): ________
– Oxygen (O): ________

6. 3Mg(NO₃)₂
– Magnesium (Mg): ________
– Nitrogen (N): ________
– Oxygen (O): ________

7. Fe₂O₃
– Iron (Fe): ________
– Oxygen (O): ________

8. C₁₀H₈O₄
– Carbon (C): ________
– Hydrogen (H): ________
– Oxygen (O): ________

9. K₂CO₃
– Potassium (K): ________
– Carbon (C): ________
– Oxygen (O): ________

10. N₂
– Nitrogen (N): ________

**Answers:**

1. H₂O
– Hydrogen (H): 2
– Oxygen (O): 1

2. CH₄
– Carbon (C): 1
– Hydrogen (H): 4

3. 2NaCl
– Sodium (Na): 2
– Chlorine (Cl): 2

4. C₆H₁₂O₆
– Carbon (C): 6
– Hydrogen (H): 12
– Oxygen (O): 6

5. Al₂(SO₄)₃
– Aluminum (Al): 2
– Sulfur (S): 3
– Oxygen (O): 12

6. 3Mg(NO₃)₂
– Magnesium (Mg): 3
– Nitrogen (N): 6
– Oxygen (O): 18

7. Fe₂O₃
– Iron (Fe): 2
– Oxygen (O): 3

8. C₁₀H₈O₄
– Carbon (C): 10
– Hydrogen (H): 8
– Oxygen (O): 4

9. K₂CO₃
– Potassium (K): 2
– Carbon (C): 1
– Oxygen (O): 3

10. N₂
– Nitrogen (N): 2

Feel free to customize the worksheet by adding more compounds or adjusting the complexity of the formulas based on the level of the students you’re creating it for.

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