Multiple ChoiceA neutral atom has the following electron configuration: 1s^2 2s^2 2p^6 3s^2 3p^5. Which element is this atom?102views
Multiple ChoiceWhich of the following is the correct electron configuration for the Y^{3+} ion?97views
Multiple ChoiceWhich of the following is the correct electron configuration for boron (atomic number 5)?101views
Multiple ChoiceWhich of the following represents the correct electron configuration for a neutral oxygen atom?87views
Multiple ChoiceWhich of the following is the correct electron configuration for a neutral bromine (Br) atom?107views
Multiple ChoiceWhich of the following is the correct ground-state electron configuration for molybdenum (Mo)?144views
Multiple ChoiceHow many electrons are present in a neutral atom of vanadium (atomic number 23)?144views
Multiple ChoiceWhich of the following represents the electron configuration of an oxygen atom in the ground state?107views
Multiple ChoiceWhich of the following represents the ground state electron configuration for the element neodymium (Nd, atomic number 60)?107views
Multiple ChoiceWhich of the following is the correct electron configuration for antimony (Sb)?105views
Multiple ChoiceWhich of the following is the correct electron configuration for phosphorus (atomic number 15) using core notation?120views