ACOS 1 Concept Review Guide Name _________________________________ Directions: Use your notes and textbook Chapters 9, 10, and 11 to answer the following questions. Define the following terms: atom: proton: neutron: electron: Where are the neutrons and protons found in the atom? Where are the electrons found in the atom? What type of charge do each of these have? protons ________ neutrons ________ electrons ________ Use the following part from the Periodic Table to answer the following questions: Complete the table for each of these elements: Element Element Symbol Atomic Number Mass Number Number of Protons Oxygen Fluorine Neon Sulfur Chlorine Argon What is the name given to the elements in Group 1 of the Periodic Table? What is the name given to the elements in Group 2 of the Periodic Table? What is the name given to the elements in Group 17 of the Periodic Table? What is the name given to the elements in Group 18 of the Periodic Table? How many electrons does the first electron energy level (shell) hold? How many electrons does the second electron energy level (shell) hold? How many electrons does the third electron energy level (shell) hold? Number of Electrons Number of Neutrons ACOS 1 Concept Review Guide Name _________________________________ What is the valence electron energy level (shell)? What are valence electrons? Draw Bohr Diagrams for the following: Lithium Oxygen Neon Magnesium Draw Lewis Dot Diagrams for valence electrons for the following: Lithium Oxygen Neon List 4 characteristics of metals: 1. 3. 2. 4. List 5 elements that are nonmetals. Why are the elements on the transition line called metalloids? Magnesium