Electron Configuration Worksheet #2 Write the unabbreviated (longhand) electron configurations of the following elements: 1. copper ________________________________________________________________ 2. iodine ________________________________________________________________ 3. potassium ______________________________________________________________ 4. technetium ______________________________________________________________ Write the abbreviated (shorthand) electron configurations of the following elements: 1. iridium ________________________________________________________________ 2. xenon ________________________________________________________________ 3. rhenium ________________________________________________________________ 4. silver ________________________________________________________________ 5. neodymium_____________________________________________________________ Which elements do the following electron configurations belong to? 1. 1s22s22p63s1 ____________________________________________________________ 2. 1s22s22p63s23p64s23d104p65s24d6____________________________________________ 3. 1s22s22p63s23p63d104s1_____________________________________________________ 4. [Kr] 5s24d10______________________________________________________________ 5. [Rn] 7s25f146d4___________________________________________________________ Write the abbreviated (shorthand) electron configuration of the following ions (pay attention to transition metals!): 1. Pb4+____________________________________________________________________ 2. Se2-____________________________________________________________________ 3. Ni2+____________________________________________________________________ 4. As5+____________________________________________________________________ 5. Co2+___________________________________________________________________