SolidsMetallic Properties326Choose the best answerThe lustre of metals is mainly due to:AHigh densityBPolishing onlyCChemical inertnessDDelocalized electrons Like 1 Discuss 0Share
Sindh MDCAT 2021 Chemistry#Periodic Table#Periodic Trends327Choose the best answer'A' is the element of IIA group while 'B' belongs to VA group:AABBAB₃CA3B₂DA2B₃ Like 0 Discuss 0Share
MDCAT Chemistry Paper 2025#Atomic Orbitals#Atomic Structure328Choose 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 Principle329Choose the best answerWho formulated the exclusion principle?AWolfgang PauliBErwin SchrodingerCMax PlanckDFriedrich Hund Like 1 Discuss 0Share
Stoichiometry#Atomic Structure#Isotopes330Choose 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