Science 10 AB Review for Test on Chemistry

1. What are the 3 subatomic particles? 2. What subatomic particle has a positive charge? 3. What subatomic particle has a negative charge? 4. What subatomic particle has no charge? 5. What subatomic particle(s) is found inside the nucleus? 6. What subatomic particle(s) is found outside the nucleus? 7. What subatomic particle(s) has no mass? 8. What subatomic particle(s) has mass? 9. What is a valence shell? 10. What is a valence electron? 11. The periods on the table indicate the number of ______. 12. The groups on the table indicate the number of ______. 13. The transition metals are found where on the periodic table? 14. The noble gases are what group? 15. The alkaline earth metals are what group? 16. What is the family name for group 1? 17. What is the family name for group 17? 18. La is part of what period? 19. Ac is part of what period? 20. An ionic bond is formed between a ______and a ______. 21. Some groups do not have family names. Name an element in a group without a family name. 22. Where are the metalloids found on the periodic table? Give an example. 23. Where are the metals found on the periodic table? Give an example. 24. Where are the non-metals found on the periodic table? Give an example. 25. The atomic weight of manganese is ______. 26. The atomic weight of helium is ______.

27. For each atom, complete the table using your periodic table.

Element Element Atomic Atomic Number of Number of Number of Name Symbol Number Mass Protons Electrons Neutrons Carbon 3 1 Pb 20 28. Isotopes

For each isotope, complete the table using your periodic table. Isotope # of # of symbol atomic # mass # protons neutrons # of electrons

35 17 Cl

30 17 Cl

Ions or Atoms

29. For each ion or atom, complete the table using your periodic table. Decide if each is a cation, anion or atom. Remember, for a nuclear symbol you must include all relevant numbers.

Cation, Anion, or Nuclear Symbol Charge p+ e- n0 Atom

2+ 4 9

40 18 Ar

80 1 35 Br

30. True or False. If it is false, explain why.

For each statement write true or false. a) Protons always equal electrons. ______b) Protons always equal neutrons. ______c) The atomic mass is found in the nucleus. ______31. Why is Helium special? 32. Why is Hydrogen in its own family? 33. How many valence electrons does Cl have? 34. Draw a Bohr diagram for Cl. 35. Draw an electron dot diagram for Cl. 36. How many valence electrons does Li have? 37. Draw a Bohr diagram for Li. 38. Draw an electron dot diagram for Li. 39. How many valence electrons does C have? 40. Draw a Bohr diagram for C. 41. Draw an electron dot diagram for C. 42. How many valence electrons does P have? 43. Draw a Bohr diagram for P. 44. Draw an electron dot diagram for P. 45. How many valence electrons does Mg have? 46. Draw a Bohr diagram for Mg. 47. Draw an electron dot diagram for Mg. 48. What ion will K form? 49. What ion will Mg form? 50. What ion will Br form? 51. What ion will Al form? 52. What ion will S form? 53. Will He form an ion? Why or why not? 54. Will Xe form an ion? Why or why not? 55. Will Ca form a cation or anion? 56. Will Se form a cation or anion? 57. Will I form a cation or anion? 58. Will Cs form a cation or anion? 59. Name an element that could become a cation or an anion. 60. Fill in the table below with the formula or name of the ionic or covalent compound. YOU MUST SHOW THE ION CHARGES IF GIVEN THE NAME!

Name Type of Bond (ionic or covalent) Formula Magnesium chloride

CaBr2 Potassium fluoride Magnesium phosphide

BeF2 BaO Gallium Oxide Lead (IV) sulphide Iron (III) bromide Tin (II) oxide Copper (IV) selenide Dicarbon dihydride Carbon dioxide Bromine pentasulfide Silicon tetrachloride

61. a) Show me how aluminum and bromine would make a compound (draw the electron dot diagrams for the elements and use arrows to show the transfer). b) How many aluminum atoms are needed? ______c) How many bromine atoms are needed? ______d) What would the compound’s name be? ______e) What would the compound’s formula be? ______62. Why is argon not likely to form a compound with another element?

63. Covalent bonds occur between a ______and a ______. 64. Which of the following would make ionic bonds? a) Na and Cl b) H and Cl c) Na and F d) Al and H e) N and F f) H and O g) C and S h) Be and S

HOW DO YOU KNOW?

65. Which of the following would make covalent bonds? a) Li and C b) C and H c) N and I d) K and O e) Mg and O f) O and C g) N and F h) Al and P

HOW DO YOU KNOW?

66. Metals become (cation or anion). ______67. Non-metals become (cation or anion). ______68. Most elements on the periodic table are (solids, liquids, or gases) ______69. Most metals are (solids, liquids, or gases) ______70. Most non-metals are (solids, liquids, or gases) ______71. Metalloids are found where on the table? ______72. What is a metalloid? 73. Give an example of a metalloid.