Atomic StructureMasses of Subatomic Particles1Choose the best answerThe approximate masses of one mole of protons and one mole of electrons are respectively:A6.022 × 10²³ g and 1 gB1.008 g and 0.55 mgC9.1 × 10⁻²⁸ kg and 1.008 gD2 g and 1 g Like 0 Discuss 0Share
Stoichiometry#Atomic Structure#Isotopes2Choose the best answerWhy do isotopes of the same element show nearly the same chemical properties?ANumber of neutronsBElectronic configurationCMass numberDRelative atomic mass Like 0 Discuss 0Share
Atomic Structure STBAtomic Structure MCQs (STB)#Atomic Structure#Bohr Energy3Choose the best answerApproximately how much energy does one mole of ground-state hydrogen atoms have?A−131.28 kJ mol⁻¹B−1312.8 kJ mol⁻¹C−2180.0 kJ mol⁻¹D−96.5 kJ mol⁻¹ Like 0 Discuss 0Share
MDCAT Chemistry Past Paper 2023#Atomic Structure#Isoelectronic Species4Choose the best answerWhich of the following is different in Na⁺ (Z = 11), Mg²⁺ (Z = 12) and Al³⁺ (Z = 13)? (MDCAT 2023)ANumber of shellsBNumber of electronsCElectronic configurationDNumber of protons Like 0 Discuss 0Share
Atomic Structure STBAtomic Structure MCQs (STB)#Atomic Structure#Degenerate Orbitals5Choose the best answerWhat term is used for equal-energy orbitals within the same subshell?ADegenerate orbitalsBHybrid orbitalsCMolecular orbitalsDNon-bonding orbitals Like 2 Discuss 0Share