Chemisty 5.0 / 5 based on 2 ratings ? ChemistryChemisty 1aGCSEAQA Created by: Abbie HeywoodCreated on: 12-10-16 17:49 52341 Across 1. How does calcium oxide produce calcium hydroxide? (2, 6, 5) 4. How many atoms are their in an element? (3) 5. What does the nucleus contain? (7, 3, 8) Down 2. What are compounds? (5, 6, 8) 3. What is limestone mainly? (7, 9)
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