Periodic Classification of Elements in One-Shot (Ch-5) | CBSE Class 10 Science (Term-2) Crash Course

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In this episode of Class 10 One-Shot Series, we take up CBSE Class 10 Science Chapter 5 - Periodic Classification of Elements in One-Shot. We help you understand all concepts related to Dobereiner’s Triads, Newlands’ Law of Octaves, Mendeleev’s Periodic Table and Law, Modern Periodic Table and much more.

In this Term-2 Crash Course Series, we will discuss the important topics of Periodic Classification of Elements which helps you to solve CBSE Important questions and get prepared for Class 10 Term-2 Board Exams.

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0:00 Introduction
5:43 Classification of Elements
6:59 Dobereiner’s Triads
13:34 Drawbacks of Newlands' Law of Octaves
20:38 Achievements of Mendeleev's Periodic Table
25:11 Limitations of Mendeleev's Classification
27:20 Modern Periodic Law
32:05 Nuclear charge and effective nuclear charge
33:44 Trend of atomic size down the group
35:06 Trend of atomic size across the period
37:18 Trend of Metallic Character
39:03 Electronegativity
39:57 Trend of Non-metallic Character
41:18 Nature of oxides
44:04 Drawbacks of Modern Periodic Table