Periodic TableShielding Effect26Choose the best answerAcross a period, shielding remains nearly constant because added electrons enter:ANew inner shellsBOrbitals much closer to the nucleusCThe same principal shellDCompletely filled d-orbitals Like 0 Discuss 0Share
Periodic TableElectropositive Character27Choose the best answerElements of Groups 1 and 2 are generally:AHighly electronegativeBElectropositiveCNoble gasesDNon-metals Like 0 Discuss 0Share
Periodic TableElectron Affinity28Choose the best answerWhich is the correct increasing order of electron-accepting tendency among the given Period 2 elements?AB < Li < C < O < FBLi < B < C < O < FCB < Li < O < C < FDLi < B < O < C < F Like 0 Discuss 0Share
Periodic TableMetallic Character29Choose the best answerArrange Si, Be, Mg, Na and P in increasing order of metallic character:AP < Si < Be < Mg = NaBP < Be < Si < Mg < NaCP > Si > Be > Mg > NaDP < Si < Be < Mg < Na Like 0 Discuss 0Share
Periodic TableElectron Affinity30Choose the best answerWhich pair has nearly equal electron-affinity values?AF and ClBCl and BrCF and BrDBr and I Like 0 Discuss 0Share