Coy Frederick - Chemistry Crossword

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Across
  1. 1. created the atomic theory
  2. 3. a device that is used to measure the energy absorbed or released when a chemical reaction takes place
  3. 5. Taste sour, pH level is less then 7, Aqueous Solutions that conduct Electrticy and can react with some metals to produce gas are properties of ____
  4. 6. created the planetary model of atoms and said the electron orbits the nucleus
  5. 9. Being a conductor, ductile and lustruoius are properties of ___________
  6. 11. the effusion rate for a gas inversely proportional to the square root to its molar mass
  7. 12. the closeness of a measured value to a standard value
  8. 14. a volume of a gas at constant pressure is directly proportional to the Kelvin temperature
  9. 15. is the changthe er of heat of the substance from the reactants
  10. 16. discovered electrons by using a cathode ray tube
  11. 17. Being dull, an insulator, a non-conductor, and brittle are properties of _______
  12. 18. discovered the nucleus by taking gold foil and hit it with Alpha particles
Down
  1. 1. Heat is measured in ____
  2. 2. the study of heat that is converted to and from other forms of energy
  3. 4. Tastes bitter, feels slippery, pH level is higher than 7, litmusns limtus paper blue are all properties of ____
  4. 7. the volume of a becomes inversely proportional to the pressure when the temperature is being held constant
  5. 8. this law states that the enthalpy change for a reaction is carried out in many steps that becmose equal to the sum of the enthalpy change for each individual step.
  6. 10. a substance that increases the concentration of hydrogen ions in aqueous solutions
  7. 13. The closeness of two or more measurements to each other
  8. 14. a substance that can speed up chemical reactions without going under any chemical change. This is done through the use of lowering the activation energy.