BLOOM PUBLIC SCHOOL
Vasant Kunj , New Delhi
Lesson Plan
Class : XI
Subject: CHEMISTRY
Month :APRIL-MAY
Chapter :STRUCTURE OF ATOM
TTT: 9 PERIODS
PERIODS
Chapter:2
No of Periods:12
WT: 3
STRUCTURE OF ATOM
Learning
Objectives
1.
2.
3.
4.
5.
6.
7.
At the end of the lesson students will be able toExplain about the discovery of electron, proton and neutron.
Describe Thomson, Rutherford and Bohr’s atomic Model
Understand the nature of electromagnetic radiation, photoelectric
effect and atomic spectrum.
State the de Broglie’s relation and Heisenberg’s Uncertainty
Principle.
Define an atomic orbital in terms of quantum numbers.
State Aufbau’s Principle, Pauli’s exclusion principle and Hund’s
rule of maximum multiplicity.
Write the electronic configuration of atom.
Resources
NCERT Text book , Reference books ( Reference Book Companion
chemistry, Pradeep’s Chemistry), Extra marks
Activity/
practicals
-
Class Work
-Sub atomic particles- discovery of electron- Charge to mass ratio of
electron. Discovery of Proton and Neutron through various experiments.
(Explanation and written work related to subtopics) .(NCERT PG 26 to29)
- Atomic Models of Thomson, Rutherford and its drawbacks, atomic
number and mass number, isobars and isotopes (Explanation and written
work related to subtopics) (NCERT PG 30TO33)
- 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(Explaination and
written work related to subtopics)(NCERT PG 37 TO 40)
- Atomic Spectrum ( Emission and Absorption Spectra) Line Spectrum of
Hydrogen, Bohr’s Model for Hydrogen Atom and its Limitation will be
discussed. (Explanation and written work)NCERT PG 40 TO 45)
- Dual Behavior of matter and Heisenberg’s Uncertainty Principle,
Hydrogen atom and Schrödinger’s Equation will be discussed. (NCERT PG
46 TO 50)
- 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)
- 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)
Home work
NCERT EXERCISE QUESTIONS:Q NO 2.5, 2.9, 2.13, 2.17, 2.22,2.30,
2.40
Assessment
Class Test, M M: 15
PERIOD WISE PLAN
PERIOD
CONTENT
Period 1
Sub atomic particles- discovery of electron- Charge to mass ratio of
electron. Discovery of Proton and Neutron through various experiments.
(Explanation and written work related to subtopics) .(NCERT PG 26 to29)
Period 2
Atomic Models of Thomson, Rutherford and its drawbacks, atomic number
and mass number, isobars and isotopes (Explanation and written work
related to subtopics) (NCERT PG 30TO33)
Period 3
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)
Period 4
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)
Period 5
Atomic Spectrum ( Emission and Absorption Spectra) Line Spectrum of
Hydrogen, Bohr’s Model for Hydrogen Atom and its Limitation will be
discussed. (Explanation and written work)NCERT PG 40 TO 45)
Period 6
Dual Behavior of matter and Heisenberg’s Uncertainty Principle, Hydrogen
atom and Schrödinger’s Equation will be discussed. (NCERT PG 46 TO
50)
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)
Period 8
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 9
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 10
Revision of the chapter will be done USING Extra marks.(Mind map)
Period 11
Class test
Period 12
Gap task
BLOOM PUBLIC SCHOOL
Vasant Kunj , New Delhi
Lesson Plan
Class : XI
Subject: CHEMISTRY
Month : MAY-JULY
No of Periods:9
Chapter : CLASSIFICATION OF ELEMENTS AND PERIODICITY IN
PROPERTIES
TTT: 5 PERIODS
WT: 4
PERIODS
Chapter:
CLASSIFICATION OF ELEMENTS AND PERIODICITY IN
PROPERTIES
Learning
Objectives
At the end of the lesson students will be able to8. Appreciate how the concept of grouping elements according to their
properties led to the development of periodic table.
9. Understand the periodic law.
10. Understand the significance of atomic number and electronic
configuration as the basis for periodic classification.
11. Classifying elements into s,p,d,f blocks and learn their
characteristics.
12. The periodic trends in physical and chemical properties of the
elements.
13. Explain the relationship between ionization and enthalpy and
metallic character.
14. Study of certain important properties of atoms example atomic and
ionic radii, electron gain enthalpy, electronegativity, valence of
elements
Resources
AV Lessons, Reference books NCERT text book ( Reference
Book Companion chemistry, Pradeep’s Chemistry)
Activity/
practicals
-
Class Work
- Building up of periodic table from the fundamental building blocks of
chemistry, the chemical elements. Why do we need to classify elements and
genesis of periodic classification with special reference to Dobereiner’s
Triads and Newland’s Octave (Explaination and written work related to
subtopics) .(NCERT PG 70 to72)
- Discussion on Mendeleev’s periodic table and its limitations.
Modification of Mendeleev’s Periodic Table into modern Periodic Table
and Modern Periodic Law. Nomenclature of Elements with atomic numbers
more than 100. (Explaination and written work related to subtopics)
(NCERT PG 75TO78)
- Electronic configuration of elements in periods and in groups. Special
emphasis on types of elements of s,p,d,f, blocks. Detailed study of s block,
p block, d block, f block elements along with their properties.
(Explaination and written work related to subtopics)NCERT PG 78 TO 81)
- Periodic trends in physical properties special reference to atomic radius,
ionic radius, ionization enthalpy will be discussed. (Explaination and
written work related to subtopics)(NCERT PG 82 TO 85)
- Electron gain enthalpy, electro negativity and periodic trends in chemical
properties wil be discussed. Anomalous properties of second period of
elements. (Explaination and written work)NCERT PG 85 TO 88
- The relationship between periodic trends and chemical reactivity will be
discussed in detail. (Explaination and written work) (NCERT PG 89 TO
92)
Home work
NCERT EXERCISE QUESTIONS:Q NO 3.11, 3.18, 3.20, 3.21, 3.22. pg
no 93
Assessment
Class Test, M M: 10
PERIOD WISE PLAN
PERIOD
CONTENT
Period 1
Building up of periodic table from the fundamental building blocks of
chemistry, the chemical elements. Why do we need to classify elements and
genesis of periodic classification with special reference to Dobereiner’s
Triads and Newland’s Octave (Explaination and written work related to
subtopics) .(NCERT PG 70 to72)
Period 2
Discussion on Mendeleev’s periodic table and its limitations. Modification
of Mendeleev’s Periodic Table into modern Periodic Table and Modern
Periodic Law. Nomenclature of Elements with atomic numbers more than
100. (Explaination and written work related to subtopics) (NCERT PG
75TO78)
Period 3
Electronic configuration of elements in periods and in groups. Special
emphasis on types of elements of s,p,d,f, blocks. Detailed study of s block,
p block, d block, f block elements along with their properties.
(Explaination and written work related to subtopics)NCERT PG 78 TO 81)
Period 4
Periodic trends in physical properties special reference to atomic radius,
ionic radius, ionization enthalpy will be discussed. (Explaination and
written work related to subtopics)(NCERT PG 82 TO 85)
Period 5
Electron gain enthalpy, electro negativity and periodic trends in chemical
properties wil be discussed. Anomalous properties of second period of
elements. (Explaination and written work)NCERT PG 85 TO 88
Period 6
The relationship between periodic trends and chemical reactivity will be
discussed in detail. (Explaination and written work) (NCERT PG 89 TO
92)
Period 7
Revision of the chapter will be done USING Extramarks (Mind
Map).(discussion and written work related to subtopics)
Period 8
Class test
Period 9
Gap task