Atomic Structure STBAtomic Structure MCQs (STB)#Atomic Structure#Bohr Model51Choose the best answerFor which species does Bohr’s atomic model fail to explain the spectrum?AH and He⁺BLi²⁺ and Be³⁺CMulti-electron atomsDAll one-electron species Like 0 Discuss 0Share1
Stoichiometry#Atomic Structure#Isotopes52Choose the best answerAmong elements with odd atomic numbers, what is the usual maximum number of stable isotopes?A1B2C3D4 Like 0 Discuss 0Share
Atomic StructureQuantum Numbers53Choose the best answerFor n = 3, the possible values of the azimuthal quantum number ℓ are:A1, 2B0, 1, 2C1, 2, 3D−1, 0, 1 Like 0 Discuss 0Share
Atomic StructureQuantum Numbers54Choose the best answerWhich set of quantum numbers is valid for a 4d electron?An = 4, ℓ = 3, mℓ = +2, mₛ = +½Bn = 4, ℓ = 2, mℓ = +1, mₛ = 0Cn = 4, ℓ = 3, mℓ = −2, mₛ = +½Dn = 4, ℓ = 2, mℓ = +1, mₛ = −½ Like 0 Discuss 0Share
Stoichiometry Stoichiometry MCQS#Atomic Structure#Atomic Theory55Choose the best answerWhich particle is the basic unit of an element and may or may not exist independently?AA moleculeBAn atomCAn ionDAn electron Like 0 Discuss 0Share