9th Class Chemistry Chapter 9 | Group Properties and Elements | Exercise Short Questions Solution
Автор: The Lecturer Group
Загружено: 2025-04-09
Просмотров: 3915
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In this video, we cover the short questions from Chapter 9: Group Properties and Elements of the 9th Class Chemistry (PTB 2025 Edition).
Get clear explanations and detailed answers to important exercise questions, perfect for exam preparation.
Covered Topics:
Periodic trends in groups
Chemical properties of group elements
Metallic and non-metallic behavior
Oxides of group elements
Reactivity trends in periodic table groups
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Timestamps:
0:00 Introduction
1:15 Question 1: Periodic trends in groups
3:45 Question 2: Why metallic character increases down a group
5:10 Question 3: Reactivity of alkali metals vs halogens
7:25 Question 4: Oxidizing and reducing properties of group elements
10:00 Question 5: Structure of oxides in groups
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