Periodic TableShielding Effect and Orbital Penetration36Choose 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 Affinity37Choose 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 Reactivity38Choose the best answerWhich of the following noble gases is least inert?AHeBNeCArDXe Like 0 Discuss 0Share
Periodic TableAtomic Radius Trend39Choose 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
Periodic TableAtomic Radius Trend40Choose the best answerDown a group, atomic radius generally:AIncreasesBRemains constantCDecreasesDBecomes zero Like 0 Discuss 0Share