(Solved): DO All 11. What is the correct formula for trisulfur heptafluoride? 12. What are the differences bet ...

11. What is the correct formula for trisulfur heptafluoride? 12. What are the differences between ionic and covalent compounds? 13. What is the name of a compound between magnesium and nitrogen? 14. What did we learn from Thomson's Cathode Ray Tube experiment? Explain the experiment 15. What did we learn from Rutherford's Gold Foil Experiment? Explain the experiment 16. What does the pH value represent? What pH values are acid/basic? 17. One mole of CO? is how much mass? 18. What is the Avogadro's number? What does it mean? 9. What are the different types of reactions? Explain each one. Give examples of each one.