Atomic StructureNodes in Atomic Orbitals121Choose the best answerA node is a region where the probability of finding an electron is:A50%BLess than 10%CMore than 95%DZero Like 0 Discuss 0Share
Atomic StructureAufbau Principle and Orbital Energy122Choose the best answerWhich set of quantum numbers represents the highest-energy orbital?An = 4, ℓ = 0, mℓ = 0, mₛ = +½Bn = 3, ℓ = 0, mℓ = 0, mₛ = +½Cn = 3, ℓ = 1, mℓ = +1, mₛ = +½Dn = 3, ℓ = 2, mℓ = +1, mₛ = +½ Like 0 Discuss 0Share
Atomic StructureQuantum Numbers123Choose the best answerIf an electron has mℓ = −3, the minimum possible principal quantum number is:A1B2C3D4 Like 0 Discuss 0Share
Atomic StructureIsoelectronic Species124Choose the best answerWhich pair of ions is not isoelectronic?AMn²⁺, Fe³⁺BFe²⁺, Mn²⁺CO²⁻, F⁻DNa⁺, Mg²⁺ Like 0 Discuss 0Share
Atomic StructureAufbau Principle125Choose the best answerWhich principle states that electrons occupy lower-energy orbitals before higher-energy orbitals?APauli exclusion principleBAufbau principleCHund's ruleDHeisenberg uncertainty principle Like 0 Discuss 0Share