Atomic Structure STBAtomic Structure MCQs (STB)#Atomic Structure#Quantum Numbers61Choose the best answerHow many quantum numbers are needed to completely describe an electron in an atom?ATwo quantum numbersBThree quantum numbersCFour quantum numbersDFive quantum numbers Like 1 Discuss 0Share
Atomic Structure STBAtomic Structure MCQs (STB)#Atomic Structure#Subshell Orbitals62Choose the best answerHow many orbitals are present in a d-subshell?AThreeBFiveCSevenDNine Like 0 Discuss 0Share
Atomic Structure STBAtomic Structure MCQs (STB)#Atomic Structure#Subatomic Particles63Choose the best answerMillikan’s oil-drop experiment showed that electric charge occurs in integral multiples of:A1.6 × 10⁻¹⁹ CB9.1 × 10⁻³¹ CC3.2 × 10⁻¹⁹ CD1.0 × 10⁻¹⁹ C Like 0 Discuss 0Share
Atomic Structure STBAtomic Structure MCQs (STB)#Atomic Structure#Bohr Model64Choose the best answerWhat is the numerical value of the Bohr radius?A0.529 × 10⁻⁸ cmB1.602 × 10⁻¹⁹ cmC8.84 × 10⁻¹² cmD6.625 × 10⁻³⁴ cm Like 0 Discuss 0Share
Atomic Structure STBAtomic Structure MCQs (STB)#Atomic Structure#Schrödinger Wave Equation65Choose the best answerWho formulated the fundamental wave equation of quantum mechanics?ANiels BohrBLouis de BroglieCErwin SchrodingerDMax Planck Like 0 Discuss 0Share