Name____________________________________________ Matter Unit Test Models 1. Use the model of oxygen below to complete a-d. a. Energy Levels _____ b. Valence Electrons _____ c. Period (Row) on Periodic Table _____ d. Family (Group) on Periodic Table _____ 2. Krypton is in group 18 and has 8 valence electrons meaning its outer shell is full. Which of the following is true about Krypton? a. Krypton is highly reactive b. Krypton is not reactive c. Krypton has 8 energy levels d. Krypton has 8 protons 3. Complete the following information Element Symbol Atomic # Atomic Mass Protons Neutrons C 35 40 4. Use the atomic model below to complete the following information: Electrons a. Element Name _____________________________________ b. Atomic Number __________ c. Atomic Mass __________ d. # of Protons __________ e. # of Neutrons __________ f. __________ # of Electrons g. # of Energy Levels __________ h. # of Valence Electrons __________ 5. Use the atomic model below to complete the following information: a. Element Name _____________________________________ b. Atomic Number __________ c. Atomic Mass __________ d. # of Protons __________ e. # of Neutrons __________ f. __________ # of Electrons g. # of Energy Levels __________ h. # of Valence Electrons __________