Multiple ChoiceWhich element has the electron configuration 1s^2 2s^2 2p^6 3s^2 3p^6 4s^2 3d^4?118views
Multiple ChoiceWhich of the following is the correct electron configuration for nobelium (No, atomic number 102)?126views
Multiple ChoiceWhich element has the following ground state electron configuration: 1s^2 2s^2 2p^6 3s^2 3p^5?99views
Multiple ChoiceWhich of the following represents the valence electron configuration for a boron atom?109views
Multiple ChoiceWhich element has the ground state electron configuration 1s^2 2s^2 2p^6 3s^2 3p^1?108views
Multiple ChoiceWhich of the following represents the correct electron configuration for a neutral atom of cobalt (atomic number 27)?129views
Multiple ChoiceWhich of the following represents the ground-state electron configuration of sulfur (S)?104views
Multiple ChoiceWhich of the following electron configurations represents a potassium atom (K) in an excited state?148views
Multiple ChoiceWhich of the following represents the correct electron configuration for a neutral atom of helium?105views
Multiple ChoiceWhich of the following is the correct electron configuration for indium (atomic number 49)?131views
Multiple ChoiceWhich of the following represents the correct electron configuration for a neutral atom of argon?126views
Multiple ChoiceHow many electrons are present in the electron cloud of a neutral carbon atom?143views
Multiple ChoiceWhich of the following is the correct electron configuration for aluminum (Al)?116views
Multiple ChoiceWhich of the following is the correct electron configuration for a nitrogen atom?126views