Multiple ChoiceA neutral atom has the following electron configuration: 1s^2 2s^2 2p^6 3s^2 3p^5. Which element is this atom?114views
Multiple ChoiceWhich of the following is the correct electron configuration for the Y^{3+} ion?106views
Multiple ChoiceWhich of the following is the correct electron configuration for boron (atomic number 5)?114views
Multiple ChoiceWhich of the following represents the correct electron configuration for a neutral oxygen atom?101views
Multiple ChoiceWhich of the following is the correct electron configuration for a neutral bromine (Br) atom?119views
Multiple ChoiceWhich of the following is the correct ground-state electron configuration for molybdenum (Mo)?167views
Multiple ChoiceHow many electrons are present in a neutral atom of vanadium (atomic number 23)?159views
Multiple ChoiceWhich of the following represents the electron configuration of an oxygen atom in the ground state?118views
Multiple ChoiceWhich of the following represents the ground state electron configuration for the element neodymium (Nd, atomic number 60)?118views
Multiple ChoiceWhich of the following is the correct electron configuration for antimony (Sb)?114views
Multiple ChoiceWhich of the following is the correct electron configuration for phosphorus (atomic number 15) using core notation?133views