1. Order the following orbitals from lowest to highest energy (show as being equal if degenerate):3s, 3d, 4s, 4p, 4f, 5pi. in the H atom (a one-electron species)ii. in a polyelectronic atom obeying the Aufbau principle2. Give the ground state electron configuration and the number of unpaired electrons for:CrCuCo2+Te2-NbIrFm3. Which electrically neutral atom (or atoms) has (have) :i. two unpaired 3d electrons?ii. one unpaired 4p electron?ii. Considering the elements with Z< 36, which elements have an unpaired s electron?iv. the electron configuration 1s? 2s2 2p6 3s2 3p6 4s2 3d"?v. four unpaired 3d electrons?vi. two unpaired 3p electrons?v. all electrons paired? (Consider only the elements with Z< 54.)CHintoQuiz /5