Multiple ChoiceA neutral atom has the following electron configuration: 1s^2 2s^2 2p^6 3s^2 3p^5. Which element is this atom?89views
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?80views
Multiple ChoiceWhich of the following is the correct electron configuration for a neutral bromine (Br) atom?98views
Multiple ChoiceWhich of the following is the correct ground-state electron configuration for molybdenum (Mo)?125views
Multiple ChoiceHow many electrons are present in a neutral atom of vanadium (atomic number 23)?125views
Multiple ChoiceWhich of the following represents the electron configuration of an oxygen atom in the ground state?93views
Multiple ChoiceWhich of the following represents the ground state electron configuration for the element neodymium (Nd, atomic number 60)?96views
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?103views