Multiple ChoiceWhich element has the electron configuration 1s^2 2s^2 2p^6 3s^2 3p^6 4s^2 3d^4?139views
Multiple ChoiceWhich of the following is the correct electron configuration for nobelium (No, atomic number 102)?151views
Multiple ChoiceWhich element has the following ground state electron configuration: 1s^2 2s^2 2p^6 3s^2 3p^5?118views
Multiple ChoiceWhich of the following represents the valence electron configuration for a boron atom?124views
Multiple ChoiceWhich element has the ground state electron configuration 1s^2 2s^2 2p^6 3s^2 3p^1?128views
Multiple ChoiceWhich of the following represents the correct electron configuration for a neutral atom of cobalt (atomic number 27)?154views
Multiple ChoiceWhich of the following represents the ground-state electron configuration of sulfur (S)?123views
Multiple ChoiceWhich of the following electron configurations represents a potassium atom (K) in an excited state?171views
Multiple ChoiceWhich of the following represents the correct electron configuration for a neutral atom of helium?143views
Multiple ChoiceWhich of the following is the correct electron configuration for indium (atomic number 49)?156views
Multiple ChoiceWhich of the following represents the correct electron configuration for a neutral atom of argon?168views
Multiple ChoiceHow many electrons are present in the electron cloud of a neutral carbon atom?163views
Multiple ChoiceWhich of the following is the correct electron configuration for aluminum (Al)?134views
Multiple ChoiceWhich of the following is the correct electron configuration for a nitrogen atom?145views