<p> Chemistry 1st 9 weeks Study Sheet</p><p>1. List at least 3 Lab Safety rules.</p><p>2. Which lab glassware is the mast accurate?</p><p>3. What is the purpose of a Safety Data Sheet? </p><p>4. What is the SI unit for mass, time, and length?</p><p>5. What is the proper usage procedures when using acids?</p><p>6. What is meant by scientific collaboration?</p><p>7. Know how to do number of atoms, molar mass, and Percentage composition.</p><p>8. What group has a complete s and p orbitals filled in the outermost shell? Also, is the reactivity of that group high or low?</p><p>9. Know the periodic trends stated in class.</p><p>10. What is the difference between an element, compound, and mixture?</p><p>11. What is the difference between the following phase changes: Condensation and Evaporation</p><p>12. What is the difference between accuracy and precision?</p><p>13. What is a meniscus and what is it used to determine?</p><p>14. What Lab apparatus (that has a lid) is used to heat material?</p><p>15. What Lab apparatus is best used to accurately measure a liquid volume of 56 mL?</p><p>16. What does Bohr’s Atomic Model represent?</p><p>17. Who invented the Periodic Table?</p><p>18. Know everything from the Atomic History timeline.</p><p>19. Know how to construct an alpha and beta radiation decay equation.</p><p>20. What are the charges of an alpha and beta decay?</p><p>21. What is the difference between an isotope and an ion?</p><p>22. Be able to determine the P, E, and N and the charge of an Isotope?</p><p>23. Determine the number of protons, electrons, and neutrons of isotope Po-211. (Atomic number is 84)</p><p>24. What is the name of a positive and negative ion?</p><p>25. Where are the three sub-particles of an atom located?</p><p>26. What are the sub-particles charges and the mass of each? 27. Know how to determine the average atomic mass of an Isotope.</p><p>28. Know the period and group location of each element per the periodic table.</p><p>29. Transition metals sublevel (s, p, d, or f) _____ is filled up with electrons.</p><p>30. What is the difference between a Mass number and the Atomic mass?</p><p>31. What group does Halogens most often reactive with? Why?</p><p>32. What is the structural difference between a solid and a liquid?</p><p>33. List at least three Chemical properties of elements.</p><p>34. How is the valence electron number determined?</p><p>35. What is the charge of the following groups: Alkaline Earth Metal, Halogen, and Alkali metals</p><p>36. Electronegativity ______as you go across a period.</p><p>37. What is Atomic Radius? How does the Atomic Radius change as you go down a group on the Periodic table?</p><p>38. ______is a method that can separate an ink mixture.</p><p>39. Know the Separation of Physical Change methods?</p><p>40. What are three properties of most metals?</p><p>41. Convert 20o C to K.</p><p>42. Convert 27 g to kg.</p><p>43. Determine the percent error of the following situation: Student is 25.2g and Literature is 25.8g</p><p>44. What is the Electronic configuration of Neon (atomic mass is 20 and atomic number is 10)?</p><p>45. Know how to make a Bohr Atomic Model and Quantum model.</p><p>46. Calculate the days it would take for 200g of I-131 to decay to 6.25 g if its half-life is 3.1 days?</p><p>47. Know the difference between a neutral atom, a charged particle, and a valence electron? Which ones effect the Bohr Atomic Model and Electron Configuration?</p>