Atomic Structure STBAtomic Structure MCQs (STB)#Atomic Structure#Photon Energy111Choose the best answerAccording to Planck’s quantum theory, what is the energy of a photon?AE = h/νBE = hνCE = ν/hDE = h²ν Like 0 Discuss 0Share
Atomic Structure STBAtomic Structure MCQs (STB)#Chemical Bonding#Coulomb's Law112Choose the best answerWhat is the electrostatic proportionality constant in Coulomb’s law?A1/(4πε₀)B4πε₀C1/(2πε₀)Dε₀/(4π) Like 0 Discuss 0Share
Atomic Structure STBAtomic Structure MCQs (STB)#Atomic Structure#Atomic Theory113Choose the best answerAccording to the classical Greek view, matter was mainly composed of:AAtoms and moleculesBEarth, water, air and fireCProtons, neutrons and electronsDSolid particles only Like 0 Discuss 0Share
Atomic Structure STBAtomic Structure MCQs (STB)#Atomic Structure#Quantum Numbers114Choose the best answerAccording to Pauli’s exclusion principle, two electrons in the same orbital:AHave identical values of all four quantum numbersBDiffer in their spin quantum numbersCPossess parallel spinsDMust belong to different principal shells Like 1 Discuss 0Share
Atomic Structure STBAtomic Structure MCQs (STB)#Atomic Structure#Quantum Numbers115Choose the best answerIn helium, the two electrons occupying the 1s orbital differ only in their:APrincipal quantum numberBAzimuthal quantum numberCMagnetic quantum numberDSpin quantum number Like 1 Discuss 0Share