MDCAT Chemistry Paper 2025#Atomic Orbitals#Atomic Structure286Choose the best answerWhich atom has at least single electron in dumbbell shape orbital? (IBA MDCAT 2025)AHBHeCLiDB Like 0 Discuss 0Share
Atomic Structure STBAtomic Structure MCQs (STB)#Atomic Structure#Pauli Exclusion Principle287Choose the best answerWho formulated the exclusion principle?AWolfgang PauliBErwin SchrodingerCMax PlanckDFriedrich Hund Like 1 Discuss 0Share
Stoichiometry#Atomic Structure#Isotopes288Choose the best answerWhich statement correctly defines relative atomic mass?AThe total number of protons and neutrons present in an atomBThe mass of the most abundant isotope of an elementCThe average mass of all atoms of an element relative to 1/12 of the mass of a carbon-12 atom, taking into account their natural isotopic abundancesDThe mass of an atom expressed in grams Like 0 Discuss 0Share
KMU MDCAT 2024 Chemistry#Carbocations#Fundamental Principles of Organic Chemistry289Choose the best answerThe carbon atom carrying positive charge and attached to three other atoms or groups is called (KMU MDCAT 2024)ACarbanionBCarbeneCCarbocationDOxonium Like 0 Discuss 0Share
Atomic Structure STBAtomic Structure MCQs (STB)#Polonium and Radium#Radioactivity290Choose the best answerWhich two radioactive elements did Marie and Pierre Curie isolate from pitchblende?AUranium and thoriumBPolonium and radiumCLead and bismuthDRadium and uranium Like 0 Discuss 0Share