11 How does ozone differ from oxygen in its chemical formula? In its properties? 12. Using the periodic table as a guide, specify the number of protons and electrons in a neutral atom of each of these elements a. Oxygen (0) protons electrons b. Nitrogen (N) protons electrons C. Magnesium (Mg) protons electrons d. Sulfur (S) protons electrons 13 Consider this representation of the periodic table a. What is the group number of the shaded column? b. Which elements make up this group? c. What is the number of electrons for a neutral atom of each element in this group? d. What is the number of outer electrons for a neutral atom of each element in this group? 14. Give the name and symbol for the element with this number of protons. a. 2 name: symbol: b. 19 name: symbol: C29 name: symbol: 15. Give the number of protons, neutrons and electrons in each of these neutral atoms Nuclear # of # of #of Isotope Name symbol protons neutrons electrons Oxygen-18 190 Sulfur-35 Es Uranium-238 2390 Bromine-82 Br Neon-19 18Ne Radium-226 2. Ra