Atomic StructureIsotopes161Choose the best answerThe isotope ¹⁸₈O contains:A18 protonsB9 protons and 9 neutronsC8 neutrons and no protonsD8 protons and 10 neutrons Like 0 Discuss 0Share
Atomic StructureUnpaired Electrons in Ions162Choose 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 Orbit163Choose 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 StructureElectronic Configuration of Ions164Choose 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
Atomic StructureMass Spectrometry165Choose the best answerIsotopes of an element are recorded separately by a:AMass spectrometerBSpectrophotometerCCalorimeterDIR spectrophotometer Like 0 Discuss 0Share