Periodic TableElectronegativity1Choose the best answerWhich quantitative periodic property is expressed without a unit?AElectronegativityBElectron gain enthalpyCIonization enthalpyDAtomic radius Like 0 Discuss 0Share
Periodic TableIsoelectronic Species and Ionic Radius2Choose the best answerBr⁻, Rb⁺ and Sr²⁺ are isoelectronic. Their radii decrease in the order:ASr²⁺ > Rb⁺ > Br⁻BBr⁻ > Rb⁺ > Sr²⁺CRb⁺ > Br⁻ > Sr²⁺DBr⁻ > Sr²⁺ > Rb⁺ Like 0 Discuss 0Share
Periodic TableReactivity of Metals3Choose the best answerWhich metal is most reactive among the following?ALiBCaCMgDNa Like 0 Discuss 0Share
Periodic TableIonization Energy4Choose the best answerThe energy required to remove an electron from an isolated gaseous atom is called:AIonization energyBElectropositivityCElectronegativityDElectron affinity Like 0 Discuss 0Share
Periodic TableIonization Energy Trend5Choose the best answerThe first ionization energy generally decreases down a group mainly because of an increase in: (1) Atomic radius (2) Nuclear charge (3) Electron affinity (4) Number of shielding electronsA(1) and (2)B(1) and (4)C(2) and (3)D(3) and (4) Like 0 Discuss 0Share