Atomic Structure STBAtomic Structure MCQs (STB)#Atomic Structure#Spectroscopy736Choose the best answerIn the word spectroscopy, the Greek root “skopia” means:AMeasurementBObservation or viewingCRadiationDReflection Like 0 Discuss 0Share
SolidsAllotropy737Choose the best answerThe existence of the same element in two or more different structural forms is called:APolymorphismBIsomorphismCAllotropyDAnisotropy Like 0 Discuss 0Share
MDCAT Chemistry Past Papers 2024Sindh MDCAT Chemistry Past Paper 2024#p-Block Elements#S- and P-Block Elements738Choose the best answerMostly p-block elements react with ___ to form binary compounds:AOxygenBWaterCHalogensDNitrogen Like 0 Discuss 0Share
Atomic Structure STBAtomic Structure MCQs (STB)#Atomic Structure#Bohr Model739Choose the best answerWhich expression represents the Bohr radius constant, a₀?Aa₀ = ε₀h²/πme²Ba₀ = n²h²/4π²m²r²Ca₀ = Ze²/4πε₀Da₀ = h/2πm Like 0 Discuss 0Share
SINDH MDCAT 2019 CHEMISTRY#Mole Concept#Stoichiometry740Choose the best answerThe volume occupied by 1.4 g N₂ at STP is: (Sindh MDCAT 2019)A22.4 dm³B1.12 dm³C11.2 dm³D1.4 dm³ Like 0 Discuss 0Share