Chemistry

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Across
  1. 4. The quantitative relation between elements in compounds, important in laws like Proust's
  2. 6. The chemist who formulated the law of conservation of mass
  3. 8. A group of atoms bonded togethe
  4. 10. A substance formed when two or more chemical elements are chemically bonded together
  5. 11. A compound consists of 20 g of calcium and 80 g of oxygen. If you want to make the same compound using 10 g of calcium, how many grams of oxygen will be needed
Down
  1. 1. The scientist who formulated the law of definite proportions
  2. 2. The amount of product obtained in a chemical reaction
  3. 3. The smallest unit of an element, as defined by Dalton's theory
  4. 5. A pure substance consisting of only one type of atom
  5. 7. According to Lavoisier, in a closed system, the mass of reactants and products is this
  6. 9. In a combustion reaction, 12 g of carbon reacts with 32 g of oxygen to produce carbon dioxide. What is the total mass of carbon dioxide produced