Atomic StructureIsobars196Choose the best answerWhich pair represents isobars?A¹³₆C and ¹³₇NB¹³₆C and ¹⁴₇NC¹⁴₇N and ¹⁵₈OD¹³₇N and ¹⁵₈O Like 0 Discuss 0Share
Atomic StructureIsobars197Choose the best answerWhich of the following is an isobaric pair?A¹³₆C and ¹³₇NB¹³₆C and ¹⁴₇NC¹⁴₇N and ¹⁵₈OD¹³₇N and ¹⁵₈O Like 0 Discuss 0Share
Atomic StructureHund's Rule and Electronic Configuration198Choose the best answerWhich ground-state electronic configuration represents nitrogen, Z = 7?A1s² 2s² 2pₓ² 2pᵧ¹B1s² 2s² 2pₓ¹ 2pᵧ¹ 2pz¹C1s² 2s¹ 2pₓ² 2pᵧ¹ 2pz¹D1s² 2s² 2pₓ³ Like 0 Discuss 0Share
Atomic StructureIsoelectronic Species199Choose the best answerBe²⁺ is isoelectronic with:AMg²⁺BNa⁺CLi⁺DH⁺ Like 0 Discuss 0Share
Atomic StructurePositive Rays200Choose the best answerThe nature of positive rays produced in a discharge tube mainly depends on the:AMaterial of the cathodeBNature of the residual gasCShape of the discharge tubeDApplied magnetic field only Like 0 Discuss 0Share