Atomic Structure STBAtomic Structure MCQs (STB)#Hydrogen Isotopes#Isotopes11Choose the best answerIdentify the hydrogen isotope that contains no neutron.ADeuteriumBTritiumCProtiumDAll hydrogen isotopes contain neutrons Like 0 Discuss 0Share1
Atomic Structure STBAtomic Structure MCQs (STB)#Radioactive Decay#Radioactivity12Choose the best answerNatural radioactive decay series ultimately end in a stable isotope of which element?AUraniumBThoriumCLeadDPolonium Like 0 Discuss 0Share1
Atomic Structure STBAtomic Structure MCQs (STB)#Atomic Structure#Bohr Energy13Choose 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
Atomic Structure STBAtomic Structure MCQs (STB)#Atomic Structure#Degenerate Orbitals14Choose the best answerWhat term is used for equal-energy orbitals within the same subshell?ADegenerate orbitalsBHybrid orbitalsCMolecular orbitalsDNon-bonding orbitals Like 2 Discuss 0Share
Atomic Structure STBAtomic Structure MCQs (STB)#Atomic Structure#Bohr Model15Choose the best answerCalculate the radius of the fourth Bohr orbit in a hydrogen atom.A2.11 ÅB4.23 ÅC8.46 ÅD16.92 Å Like 0 Discuss 0Share