E-Content. — Into the history of Periodic Table
Introduction
Here I am discussing the subject Chemistry , chapter 4 of standard 9
The history of the periodic table is a fascinating journey that began centuries ago and continues to evolve today. It is a testament to the collective efforts of numerous brilliant minds who dedicated their lives to understanding the fundamental building blocks of matter. Among these remarkable individuals, three influential personalities stand out: Antoine Lavoisier, Johann Wolfgang Döbereiner, and John Newlands.
Objectives
Learner should be able to,
- Outline Lavoisier classification of elements.
- Illustrate Doberreiner classificatiens of elements
- Extend Newsland cassification of elensents
- Explain Mendeleer's periodic law
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