Multiple ChoiceWhich of the following represents the correct electron configuration for the Ba^{2+} ion?3views
Multiple ChoiceAccording to the aufbau principle, which orbital is filled first when building up the electron configuration of an atom?2views
Multiple ChoiceWhich of the following is the correct electron configuration for an oxygen atom?2views
Multiple ChoiceWhich of the following represents the correct electron configuration for a neutral atom of potassium (atomic number 19)?3views
Multiple ChoiceWhich of the following species has the electron configuration 1s^2 2s^2 2p^6 3s^2 3p^6?3views
Multiple ChoiceWhich of the following represents the correct orbital diagram for platinum (Pt, atomic number 78)?2views
Multiple ChoiceWhich of the following electron configurations for a neutral carbon atom represents an excited state?3views
Multiple ChoiceWhich of the following electron configurations correctly represents the placement of electrons around a nitrogen atom?3views
Multiple ChoiceWhich one of the following is the correct electron configuration for a ground-state nitrogen atom?3views
Multiple ChoiceWhen an electron moves from a higher energy orbital (state a) to a lower energy orbital (state b), what is most likely to occur?3views