2. Atoms and the Periodic Table
Electron Arrangements
1PRACTICE PROBLEM
Determine the identity of an element that has completely filled the first, second, and third shells and has three electrons in the fourth shell. Is it a metal or a nonmetal? In which orbital is the last electron found?
Determine the identity of an element that has completely filled the first, second, and third shells and has three electrons in the fourth shell. Is it a metal or a nonmetal? In which orbital is the last electron found?