Chemical BondingOctet Rule and Exceptions946Choose the best answerWhich molecule does not obey the octet rule because the central atom has an expanded valence shell?ANF₃BCCl₄CCF₄DPCl₅ Like 0 Discuss 0Share
Atomic StructureShapes and Orientation of Orbitals947Choose the best answerWhich orbital definitely has directional character?AAny s-orbitalBAny s- or p-orbitalCAny s- or d-orbitalDAny p-orbital Like 0 Discuss 0Share
SolidsAllotropy948Choose the best answerThe existence of the same element in two or more different structural forms is called:APolymorphismBIsomorphismCAllotropyDAnisotropy Like 0 Discuss 0Share
Atomic Structure STBAtomic Structure MCQs (STB)#Atomic Structure#Atomic Theory949Choose the best answerWho first proposed that matter is made of indivisible particles called “atomos”?ADalton and ThomsonBLeucippus and DemocritusCAristotle and RutherfordDBohr and Democritus Like 0 Discuss 0Share
MDCAT Chemistry Past Papers Reconduct 2023#Atomic Structure#X-Rays950Choose the best answerWho discovered X-rays? (MDCAT Reconduct 2023)AMarie CurieBJ. J. ThomsonCW. RoentgenDW. Rhenogen Like 0 Discuss 0Share