Atomic StructureIsotopes46Choose the best answerIsotopes are atoms having the same:AAtomic massBMass numberCAtomic numberDNumber of neutrons Like 0 Discuss 1Share
Atomic StructureUnpaired Electrons in Ions47Choose the best answerWhich ion has the greatest number of unpaired electrons?AMg²⁺BTi³⁺CV³⁺DFe²⁺ Like 0 Discuss 0Share
Atomic StructureEnergy of Electron in Bohr Orbit48Choose the best answerIn a Bohr orbit, the magnitude of the kinetic energy of an electron is:AHalf the magnitude of its potential energyBTwice the magnitude of its potential energyCOne-fourth the magnitude of its potential energyDEqual to zero Like 0 Discuss 0Share
Atomic StructureEnergy of Electronic Transitions49Choose the best answerWhat energy is emitted when an electron in hydrogen falls from n = 3 to n = 2?A10.2 eVB12.09 eVC1.89 eVD0.65 eV Like 0 Discuss 0Share
Atomic StructureElectronic Configuration of Ions50Choose the best answerWhich species does NOT have the same number of 3p electrons as the other three?ASi⁴⁺BS²⁻CCl⁻DK⁺ Like 0 Discuss 0Share