Summary Periodic Properties: Understanding Trends in the Periodic Table
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Course
Chemistry Around Us
Institution
IIT Bombay
This section delves into the periodic properties of elements, focusing on how trends in the periodic table influence chemical behavior. Explore key concepts such as atomic radius, ionization energy, electron affinity, and electronegativity. Learn how these properties change across periods and group...
, 1. Genesis of Periodic Classification
1.1 Dobenier’s Triad
The middle element of each Triad is an atomic weight halfway between the other two.
The properties of the middle element are in between those of the other two members.
1.2 Newland Law of Octaves
Arranged in increasing order of atomic weight.
Every eighth element is having similar properties to first one.
Failed valid upto calcium.
1.3 Lothar meyer
He plotted a graph between the atomic mass and physical properties of the elements (viz.
Atomic volume, boiling point, melting point etc..)
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