Periodicity of properties in atomic radius and ionic radius. Chapter 1 lecture 4 class 11 chemistry

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Chapter 1 (Lec#4 -4)
This is brand new series for class 11 chemistry students, 2025. This lecture is about periodicity of properties. Atomic and ionic radii are also discussed. New book is going to complete, join now and Subscribe for latest lectures.

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Chemistry Notes for Lecture #03
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Arrangement of elements in the periodic table, Positions of metals, nonmetals and metalloids in the periodic table, Periodic table arranged into four blocks, Period number (n) is the outer energy level, Physical and chemical properties of oxides, Reactions of oxides (acidic and basic) with water, Acid/base behavior of the oxides and the hydroxides, Amphoteric behavior, Reactions of the chlorides with water, Historical Background, Elements known to humanity centuries ago, Antoine Lavoisier attempted to classify known elements as metals and nonmetals, Döbereiner grouped the elements into triads, John Newlands first time observed periodicity in the 62 known elements, Dmitri Mendeleev arranged 63 elements, Success of his table was hidden in leaving gaps for undiscovered elements, Lother Meyer developed his curves, Moseley determined the exact atomic numbers of known elements, Modern Periodic Law, Modern Periodic Table - Features and Significance, 118 elements grouped in ascending order of their respective atomic numbers, Seven horizontal rows called periods and eighteen vertical columns called groups, Older versions of the table, Metals, Non-metals and Metalloids, Metals are elements which tend to lose electrons to form positive ions, Non-metals are elements which tend to gain electrons to form negative ions, Metalloids separate the metals and nonmetals, Blocks in Periodic Table, Elements classified based on the subshells containing their valence electrons, s-block elements, d-block elements, f-block elements (Lanthanides and Actinides), p-block elements (groups 13 to 18), Halogens (Group 17), Noble Gases (Group 18), Electronic Configuration of elements, Chemical Reactivity of elements, Metallic character, Variation in atomic radius, Factors affect atomic and ionic radii, Variation in Ionic Radius, Relative sizes of atomic radii, Relative sizes of an atom and its ion, Variation in Ionization Energy, 1st ionization energy (Delta H i 1), Successive Ionization Energies of the Same Element, First Ionization Energies of Different Atoms, Variation in Electron Affinity (EA), Factors affecting electron affinity, Why Fluorine has lower electron affinity than Chlorine, Variation in Electronegativity, Trends in various physical properties in the periodic table, Variation in Metallic Character, Reactions of Na and Mg with water, oxygen and chlorine, Classification of Oxides, Classification of Chlorides, Neutral Chlorides, Acidic Chlorides, Variation in oxidation number (oxidation state), Oxidation state of sulfur in SO2 and SO3, Why some p block elements show variable oxidation state, Groups and Families, Alkali Metals, Alkaline Earth Metals, Transition Elements.

Видео Periodicity of properties in atomic radius and ionic radius. Chapter 1 lecture 4 class 11 chemistry канала Umair Khan