Atomic StructureShells and Subshells3041Choose the best answerAn electron with principal quantum number n = 2 may occupy:AOnly an s-orbitalBOnly the orbital closest to the nucleusCEither an s- or p-orbitalDOnly a p-orbital Like 0 Discuss 0Share
SolidsPolymorphism3042Choose the best answerThe existence of the same compound in more than one crystalline form is called:AIsomorphismBAllotropyCPolymorphismDAnisotropy Like 0 Discuss 0Share
SZABMU MDCAT 2025 Chemistry#Chemical Kinetics#Order of Reaction3043Choose the best answerThe order of chemical reaction is defined as: (SZABMU MDCAT 2025)AThe number of reactants involved in balanced equationBThe number of products formed in balanced equationCThe power to which the concentration of a reactant is raised in the rate equationDThe rate constant of the reaction Like 0 Discuss 0Share
Atomic StructureIsoelectronic Species3044Choose the best answerWhich among the following are isoelectronic species?ANa⁺, K⁺, Ca²⁺, Mg²⁺BCa²⁺, Mg²⁺, S²⁻, K⁺CCa²⁺, Ar, S²⁻, K⁺DNone of the above Like 0 Discuss 0Share
MDCAT Chemistry Past Paper 2023#Limiting Reagent#Stoichiometry3045Choose the best answer7.6 grams of CS₂ is reacted with 12.8 g of O₂, CS₂ + 3O₂ → CO₂ + 2SO₂. The limiting reactant is: (MDCAT 2023)ACS₂BO₂CCO₂DSO₂ Like 0 Discuss 0Share