Multiple ChoiceWhich of the following best describes the partial energy level diagram for a hydrogen atom?78views
Multiple ChoiceHow many unpaired electrons are present in a ground state atom of ruthenium (Ru)?86views
Multiple ChoiceWhich of the following is true when drawing a box (orbital) diagram for the electron configuration of an atom?68views
Multiple ChoiceWhich of the following represents the correct electron configuration for a neutral atom of vanadium (atomic number 23)?69views
Multiple ChoiceWhich of the following represents the correct electron configuration for the V^{3+} ion?69views
Multiple ChoiceWhich of the following electron configurations represents an atom of chlorine (atomic number 17) in an excited state?78views
Multiple ChoiceWhich of the following is the correct orbital notation for boron (atomic number 5)?84views
Multiple ChoiceWhich orbital-filling diagram represents the ground state electron configuration of chromium (Cr, atomic number 24)?102views
Multiple ChoiceWhich of the following represents the correct electron configuration for a neutral atom of nickel (atomic number 28)?89views
Multiple ChoiceHow many electrons can the first energy level (closest to the nucleus) hold before it is full?81views
Multiple ChoiceWhich of the following lists the three fundamental rules that govern the filling of atomic orbitals by electrons?31views
Multiple ChoiceWhich of the following represents the correct electron configuration for the Se^{2-} ion?75views
Multiple ChoiceGiven the following orbital diagram (core electrons not shown):↑↓ ↑↓ ↑↓ ↑↓ ↑ ↑ ↑3s 3p 4s 3dWhat element is designated by this orbital diagram?71views