Multiple ChoiceWhich of the following is the correct electron configuration for potassium (K)?25views
Multiple ChoiceWhich ground-state atom has an electron configuration described by the following orbital diagram?1s: ↑↓2s: ↑↓2p: ↑↓ ↑↓ ↑↓18views
Multiple ChoiceWhich of the following is the correct ground-state electron configuration for the Co^{3+} ion?13views
Multiple ChoiceWhich statement best describes electron energy levels and their location in an atom?21views
Multiple ChoiceWhat is the electron configuration of the chloride ion (Cl⁻) after a chlorine atom gains an electron?463views
Multiple ChoiceFor a hydrogen atom, what is the energy (in electron volts, eV) of an electron in the n=4 excited state?19views
Multiple ChoiceWhich of the following best describes an orbital diagram for the electron configuration of nitrogen (atomic number 7)?23views
Multiple ChoiceWhich of the following electron configurations represents an excited-state nitrogen atom?15views
Multiple ChoiceWhich of the following is the correct electron configuration for bromine (Br, atomic number 35)?22views
Multiple ChoiceWhich of the following is the correct electron configuration for beryllium (Be)?19views
Multiple ChoiceWhich of the following is the correct electron configuration for arsenic (atomic number 33)?29views
Multiple ChoiceWhich element has the ground state electron configuration [Ar] 4s^2 3d^{10} 4p^5?26views