Atomic Structure STBAtomic Structure MCQs (STB)#Atomic Structure#Flame Tests61Choose the best answerWhich substance is commonly responsible for a bluish-green colour in fireworks?ABarium saltsBStrontium saltsCCopper compoundsDSodium salts Like 1 Discuss 0Share
Atomic Structure STBAtomic Structure MCQs (STB)#Atomic Structure#Neutron Discovery62Choose the best answerWhich scientist discovered the neutron in 1932?AJames ChadwickBErnest RutherfordCJ.J. ThomsonDJohn Dalton Like 0 Discuss 0Share
Atomic Structure STBAtomic Structure MCQs (STB)#Atomic Structure#Quantum Numbers63Choose the best answerCalculate the approximate wave number for the hydrogen transition n = 4 → n = 2.A1.09 × 10⁶ m⁻¹B2.06 × 10⁶ m⁻¹C8.46 × 10⁶ m⁻¹D3.28 × 10⁶ m⁻¹ Like 0 Discuss 0Share
Atomic Structure STBAtomic Structure MCQs (STB)#Atomic Structure#Hydrogen Spectrum64Choose the best answerWhat is the approximate SI value of the Rydberg constant?A1.09678 × 10⁷ m⁻¹B1.09678 × 10⁶ m⁻¹C1.09678 × 10⁵ m⁻¹D1.09678 × 10⁹ m⁻¹ Like 0 Discuss 0Share
Atomic Structure STBAtomic Structure MCQs (STB)#Atomic Structure#Quantum Numbers65Choose the best answerWhat is the maximum number of orbitals in a shell with principal quantum number n?A2n²Bn²C2nDn Like 1 Discuss 0Share