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1 BLOOM PUBLIC SCHOOL Vasant Kunj, New Delhi Lesson Plan Class : XI Subject: CHEMISTRY Month :APRIL No of Periods:11 Chapter :SOME BASIC CONCEPTS OF CHEMISTRY TTT:7 PERIODS WT: 3 PERIODS Chapter:1 SOME BASIC CONCEPTS OF CHEMISTRY Learning Objectives Resources Activity/ practicals Class Work Students will be able to 1. After studying this unit students will be able to understand the role of chemistry in different spheres of life and the characteristics of three states of matter. 2. Students will be able to classify different substances into elements, mixtures and compounds. 3. Define SI base units and list some commonly used prefixes. 4. Use of scientific notations and will be able to differentiate between precision and accuracy along with significant figures and their conversions. 5. Students will be able to understand various laws of chemical combinations and terms like atomic mass, average atomic mass, molecular mass, mole and molar masses. 6. Students will be able to calculate mass percent, empirical formulae and other stoichiometric calculations like molarity, molality, normality etc NCERT Text book, Extra marks, Reference books ( Reference Book Companion chemistry, Pradeep s Chemistry) - EXPERIMENT: PREPRATION OF SOLUTION OF GIVEN MOLARITY AND NORMALITY IN LAB IN PRACTICAL PERIODS. (Students will be performing experiments in PRACTICAL PERIOD IN LAB. - Introduction of the chapter through various recall topics and importance of chemistry in different spheres of life.explanation and written work related to the sub topics: Properties of matter and their measurement. The international system of units along with their different prefixes and conversions - Properties of matter and their measurement.. Introduction of the concept of
2 mass, weight, volume, density, temperature, Uncertainty in measurement. Introduction of scientific notations and its application in performing different mathematical operations -The international system of units along with their different prefixes and conversions -. Introduction of the concept of mass, weight, volume, density, temperature, Uncertainty in measurement. Introduction of scientific notations and its application in performing different mathematical operations - Introduction of significant figures- These figures are meaningful digits which are known with certainty. Concept of Precision and accuracy. Mathematical Operations of Significant Figures. - Introduction of significant figures- These figures are meaningful digits which are known with certainty. Concept of Precision and accuracy. Mathematical Operations of Significant Figures. - Dimensional Analysis and Conversion of various units. Practice with Various numerical Introduction Laws of Chemical Combinations. Law of Conservation of mass- It states that matter can neither be created nor destroyed. This Law will be explained by solving various numerical based on it. - Law of Definite Proportion which states that a given compound always contains exactly the same proportion of elements by weight Law of Multiple Proportion which states that if two elements can combine to form more than one compound the mass of one element that combines with fixed mass of the other element are in the ratio of small whole numbers. Numericals will be done based on this law in the class. Gay Lussac s Law of Gaseous Volumes Avogadro s law, Dalton s Atomic Theory will be discussed at length and numerical based on these concepts will be done - Atomic Mass, Molecular Mass, Formula Unit Mass,Mole Concept and Molar Masses, Calculation of Percentage Composition were discussed - Empirical Formula and Molecular Formula based on these concepts to be solved -Discussions on the role of Limiting Reagents, mass percent, molarity, molality and mole fraction will be held. Concept will be cleared through solving numericals - Revision of the chapter will be done USING Extra marks. MINDMAP -Class test Home work NCERT EXERCISE QUESTIONS:Q NO 1.2, 1.5,1.9,1.12,1.15,1.23,1.27 Assessment Class Test
3 PERIOD WISE PLAN PERIOD CONTENT Period 1 Introduction of the chapter through various recall topics and importance of chemistry in different spheres of life. Properties of matter and their measurement. The international system of units along with their different prefixes and conversions (Explanation and written work related to subtopics).(ncert PG 1 to4) Period 2 Period 3 Period 4 Period 5 Period 6 Introduction of the chapter through various recall topics and importance of chemistry in different spheres of life. Properties of matter and their measurement. The international system of units along with their different prefixes and conversions (Explanation and written work related to subtopics) (NCERT PG 4TO6) Introduction of the concept of mass, weight, volume, density, temperature, Uncertainty in measurement. Introduction of scientific notations and its application in performing different mathematical operations (Explanation and written work related to subtopics)ncert PG 7 TO 8) Introduction of significant figures- These figures are meaningful digits which are known with certainty. Concept of Precision and accuracy. Mathematical Operations of Significant Figures. (Explanation and written work related to subtopics)(ncert PG 9 TO 10) Dimensional Analysis and Conversion of various units. Practice with Various numerical Introduction Laws of Chemical Combinations. Law of Conservation of mass- It states that matter can neither be created nor destroyed. This Law will be explained by solving various numerical based on it. (Explanation and written work)ncert PG 10 TO 11) Law of Definite Proportion which states that a given compound always contains exactly the same proportion of elements by weight Law of Multiple Proportion which states that if two elements can combine to form more than one compound the mass of one element that combines with fixed mass of the other element are in the ratio of small whole numbers. Numericals will be done based on this law in the class. Gay Lussac s Law of Gaseous Volumes Avogadro s law, Dalton s Atomic Theory will be discussed at length and numerical based on these concepts
4 will be done (Explanation and written work related to subtopics)ncert PG 12 TO 13) Period 7 Period 8 Atomic Mass, Molecular Mass, Formula Unit Mass,Mole Concept and Molar Masses, Calculation of Percentage Composition were discussed (Explaination and written work related to subtopics) (NCERT PG14,15,16) Empirical Formula and Molecular Formula were done and Numerical based on these concepts to be solved Discussions on the role of Limiting Reagents, mass percent, molarity, molality and mole fraction will be held. Concept will be cleared through solving numericals (Explanation and written work related to subtopics) (NCERT PG16 to 21) Period 9 Period 10 Revision of the chapter will be done USING Extra marks. MINDMAP Class test Month :APRIL-MAY No of Periods:10 Chapter :STRUCTURE OF ATOM TTT: 6 PERIODS WT: 4 PERIODS Chapter:2 STRUCTURE OF ATOM Learning Objectives Resources Activity/ practicals At the end of the lesson students will be able to- 7. Explain about the discovery of electron, proton and neutron. 8. Describe Thomson, Rutherford and Bohr s atomic Model 9. Understand the nature of electromagnetic radiation, photoelectric effect and atomic spectrum. 10. State the de Broglie s relation and Heisenberg s Uncertainty Principle. 11. Define an atomic orbital in terms of quantum numbers. 12. State Aufbau s Principle, Pauli s exclusion principle and Hund s rule of maximum multiplicity. 13. Write the electronic configuration of atom. NCERT Text book, Extra marks, Reference books ( Reference Book Companion chemistry, Pradeep s Chemistry) -
5 Class Work Explanation and written work related to: - Atomic Models of Bohr - Wave Nature and Particle nature of electromagnetic radiation and its spectrum will be discussed. Numericals will be solved on these topics. - Concept of Planck s Quantum Theory, Photoelectric effect and dual behavior of electromagnetic radiation will be introduce - Atomic Spectrum ( Emission and Absorption Spectra) Line Spectrum of Hydrogen, Bohr s Model for Hydrogen Atom and its Limitation will be discussed. - Dual Behavior of matter and Heisenberg s Uncertainty Principle, Hydrogen atom and Schrödinger s Equation will be discussed - Introduction of orbitals and quantum numbers.explanation of Principal Quantum number and Azimuthal quantum number. - Explanation of magnetic orbital quantum number, Electron spin quantum number, Shapes and energy of orbitals boundary surface diagrams, - Filling of Orbitals in atom - Pauli s Exclusion Principle, Aufbau s Principle, Hund s rule of maximum multiplicity, electronic configurations of atoms will be discussed. Stability of completely filled and half filled subshells. -Revision of chapter using Mindmap -Class test Home work NCERT EXERCISE QUESTIONS:Q NO 2.5, 2.9, 2.13, 2.17, 2.22,2.30, 2.40 Assessment Class Test PERIOD WISE PLAN PERIOD CONTENT Period 1 Period 2 Period 3 Period 4 Period 5 Bohr s Model for Hydrogen Atom and its Limitation will be discussed. (Explanation and written work)ncert PG 40 TO 45) Wave Nature and Particle nature of electromagnetic radiation and its spectrum will be discussed. Numericals will be solved on these topics. (Explanation and written work related to subtopics)ncert PG 34 TO 37) Concept of Planck s Quantum Theory, Photoelectric effect and dual behavior of electromagnetic radiation will be introduce(explanation and written work related to subtopics)(ncert PG 37 TO 40) Atomic Spectrum ( Emission and Absorption Spectra) Line Spectrum of Hydrogen, Dual Behavior of matter and Heisenberg s Uncertainty Principle, Hydrogen atom and Schrödinger s Equation will be discussed. (NCERT PG 46 TO 50)
6 Period 6 Period 7 Introduction of orbitals and quantum numbers.explanation of Principal Quantum number and Azimuthal quantum number. (Explanation and written work related to subtopics) (NCERT PG51,52) Explanation of magnetic orbital quantum number, Electron spin quantum number, Shapes and energy of orbitals boundary surface diagrams, (Explanation and written work related to subtopics) (NCERT PG53 to 57) Period 8 Filling of Orbitals in atom - Pauli s Exclusion Principle, Aufbau s Principle, Hund s rule of maximum multiplicity, electronic configurations of atoms will be discussed. Stability of completely filled and half filled subshells., (Explanation and written work related to subtopics) (NCERT PG58 to 60) Period 9 Revision of the chapter will be done USING Extra marks.(mind map) Period 10 Class test
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