Multiple ChoiceWhich of the following is the correct electron configuration for potassium (K)?39views
Multiple ChoiceWhich ground-state atom has an electron configuration described by the following orbital diagram?1s: ↑↓2s: ↑↓2p: ↑↓ ↑↓ ↑↓30views
Multiple ChoiceWhich of the following is the correct ground-state electron configuration for the Co^{3+} ion?26views
Multiple ChoiceWhich statement best describes electron energy levels and their location in an atom?35views
Multiple ChoiceWhat is the electron configuration of the chloride ion (Cl⁻) after a chlorine atom gains an electron?504views
Multiple ChoiceFor a hydrogen atom, what is the energy (in electron volts, eV) of an electron in the n=4 excited state?32views
Multiple ChoiceWhich of the following best describes an orbital diagram for the electron configuration of nitrogen (atomic number 7)?41views
Multiple ChoiceWhich of the following electron configurations represents an excited-state nitrogen atom?24views
Multiple ChoiceWhich of the following is the correct electron configuration for bromine (Br, atomic number 35)?35views
Multiple ChoiceWhich of the following is the correct electron configuration for beryllium (Be)?35views
Multiple ChoiceWhich of the following is the correct electron configuration for arsenic (atomic number 33)?48views
Multiple ChoiceWhich element has the ground state electron configuration [Ar] 4s^2 3d^{10} 4p^5?44views