Periodic TableIonization Energy31Choose the best answerWhich element has the highest first ionization energy among B, C, N and O?ABBNCCDO Like 0 Discuss 0Share
Periodic TableShielding Effect and Orbital Penetration32Choose the best answerThe shielding ability of electrons in orbitals of the same shell decreases in the order:As > p > d > fBf > d > p > sCp > d > f > sDf > p > s > d Like 0 Discuss 0Share
Periodic TableElectron Affinity33Choose the best answerElectron affinity is the energy change associated with:AAddition of an electron to an isolated gaseous atomBRemoval of an electron from an atomCBreaking a covalent bondDRemoving a proton from a nucleus Like 0 Discuss 0Share
Periodic TableNoble Gases and Chemical Reactivity34Choose the best answerWhich of the following noble gases is least inert?AHeBNeCArDXe Like 0 Discuss 0Share
Periodic TableAtomic Radius Trend35Choose the best answerSodium has a greater atomic radius than chlorine because sodium:AHas fewer occupied electron shellsBHas a greater nuclear chargeCExperiences weaker effective nuclear attraction on its outer electronsDHas more valence electrons Like 0 Discuss 0Share