6. For each element below, identify the atomic number. a. Oxygen c. Iridium b. Selenium d. Gadolinium 7. Calculate the number of protons, electrons and neutrons (if possible) for each atom shown below. a. 20Ne,21Ne,22Ne b. 99Ru,100Ru,102Ru c. Cr 8. Use the data from the video for the naturally occurring isotopes of Neon to derive the atomic mass of Neon given on the periodic table. 9. Give the chemical symbol and name for an element that matches each description below: a. An element in the same f. Halogen family as carbon g. Nobel Gas b. An element in the same h. Lanthanide period as sulfur i. Actinide c. Alkali metal j. 10 metals d. Alkaline earth metal k. 10 nonmetals e. Transition metal I. 7 metalloids