CBSE Class 11 Chemistry Worksheet - Atomic Structure - Practice worksheets for CBSE students. Prepared by teachers of the best CBSE schools in India.
CLASS – XI
SUBJECT – CHEMISTRY
Q1. What experiment led to the discovery of electrons? Draw a neat labeled diagram?
Q2. Write the difference b/w canal rays and cathode rays?
Q3. Explain with diagram Thomson’s Plum pudding model of an atom?
Q4. Explain Rutherford experiment with neat labeled diagram. Write its observations & conclusions.
Q5. Explain the draw backs of Rutherford’s Experiment.
Q6. Write the main postulates of Bohr’s model of an atom.
Q7. Explain the first model of an atom based on quantisation of energy.
Q8. Name two properties of light radiations which indicate its particles like nature.
Q9. Name two properties of electrons which indicate its wave nature.
Q10. Explain the following (i) Black – Body radiations (ii) Photo electric effect.
Q11. Why is photoelectric effect more common in alkali metals?
Q12. Draw graph between intensity & wavelength for black body radiation at 2 temperatures. T1 & T2 (T2 > T1). Interpret graph.
Q13. What do you mean by ‘Quantum’?
Q14. Define emission spectrum & Absorption spectrum?
Q15. What is the value of Rydberg’s constant in Joules.
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