Compare the elements Ca, S. P. Se with regard to the following properties: You may need to use the periodic table below. 1A H 2A Li Be Lanthanides Actinides Na Mg 3B 4B 5B 6B 7B8B K Ca Sc Ti V Cr Mn Fe Co Ni Cu Zn Ga Ge As Se Br Kr Rb Sr Y Zr Nb Mo Tc Ru Rh Pd Ag Cd In Sn Sb Te I Xe Cs Ba La Hf Ta W Re Os Ir Pt Au Hg Tl Pb Bi Po At Rn Fr Ra Ac Rf Db Se Ca OP Metals Metalloids Nonmetals a. Which element has the largest atomic radius? OS Se Ca 3A 4A 5A 6A B C N O F Ne 1B 2B Al Si P S Cl Ar 7A 8A H He b. Which element has the most negative electron affinity? OS OP Ca Se P Ce Pr Nd Pm Sm Eu Gd Tb Dy Ho Er Tm Yb Lu Th Pa U Np Pu Am Cm Bk Cf Es Fm Md No Lr c. What element is expected to have the largest ionization energy? OS Each element has a name and symbol. Notice that only the firs letter of an element's symbol is capitalized - cobalt is Co, not CO. Chemists have arranged th elements in a table that depicts along with other information. T the symbols for the elements is called the periodic table.