Mendeleev's vs Modern Periodic table highlights
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1 of 5 Lessons
Trends: Valency, Atomic size and Metallic status
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2 of 5 Lessons
Groups and Periods: Identification of elements help
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3 of 5 Lessons
Inert gases and halogens: Properties and roles
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4 of 5 Lessons
Importance of classification in chemistry study
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5 of 5 Lessons