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Periodic Classification of Elements

Importance and Limitations of Modern Periodic Table

Importance of Modern Periodic Table 1. Based on atomic number –     The arrangement of elements in modern periodic table is according to their increasing order of atomic number. Atomic number increases by 1 unit (not fractional) in going from one element to the next element and equal to the number of electrons. Thus, the …

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Arrangements in Modern Periodic Table    (Long Form of Periodic Table)    

Table of Contents –  Arrangement  in Periodic Table Groups Periods Frequently asked Questions (FAQ’s) Next – Importance and Limitations of Modern Periodic Table The arrangement  in periodic table is given by Bohr so it is also known as Bohr’s table or Long form of periodic table. This table is prepared on the basis of – …

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INTRODUCTION TO MODERN PERIODIC TABLE

Table of Contents – Introduction Why atomic number is better choice of classification than atomic mass? Modern Periodic Law Why periodicity in properties occur? How are electrons distributed in different orbits(shells)? Or How can be found electronic configuration of an element? The modern periodic table of elements is based on Mendeleev’s observations. The only difference …

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Importance of Mendeleev’s Periodic Table

Read First – Mendeleev’s Periodic Table (1) Systematic Study of the elements Mendeleev’s periodic table was developed in accordance to- (a) increasing atomic masses. (b) grouping of similar elements together. By the way, the study of elements became quite simpler, as if properties of one element in a particular group were known, properties of others …

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Mendeleev’s Periodic Table -Arrangements, Importance, Limitations, FAQ’s

Table of Contents – Mendeleev’s periodic law and Important terminology Arrangements of  Mendeleev’s  Periodic Table Importance of Mendeleev’s periodic Table Limitations of Mendeleev’s periodic Table Frequently asked questions (FAQ’s) Quiz – Check your understanding Mendeleev’s periodic law and Important terminology – A most important contribution on arrangement of elements after Newland was given by a …

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What is Newlands’ Law of Octaves and its significance?

Table of Content What is Newlands’ Law of Octaves? Significance of Newlands’ Law of Octaves Examples Why was this law failed? Frequently Asked Questions – FAQs Quiz Next – MENDELEEV’S PERIODIC TABLE Read First – What are Dobereiner’s Triads? Examples and Limitations. After as Dobereiner’s Traids was ruled out, an English chemist J.A.R. Newlands observed …

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