Multiple ChoiceA neutral atom has the following electron configuration: 1s^2 2s^2 2p^6 3s^2 3p^5. Which element is this atom?93views
Multiple ChoiceWhich of the following is the correct electron configuration for the Y^{3+} ion?91views
Multiple ChoiceWhich of the following is the correct electron configuration for boron (atomic number 5)?91views
Multiple ChoiceWhich of the following represents the correct electron configuration for a neutral oxygen atom?81views
Multiple ChoiceWhich of the following is the correct electron configuration for a neutral bromine (Br) atom?99views
Multiple ChoiceWhich of the following is the correct ground-state electron configuration for molybdenum (Mo)?126views
Multiple ChoiceHow many electrons are present in a neutral atom of vanadium (atomic number 23)?128views
Multiple ChoiceWhich of the following represents the electron configuration of an oxygen atom in the ground state?95views
Multiple ChoiceWhich of the following represents the ground state electron configuration for the element neodymium (Nd, atomic number 60)?97views
Multiple ChoiceWhich of the following is the correct electron configuration for antimony (Sb)?91views
Multiple ChoiceWhich of the following is the correct electron configuration for phosphorus (atomic number 15) using core notation?105views