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Periodic Table and Properties
SUBJECT : UNIVERSITY CHEMISTRY
AUTHOR : K K Padmanabha
PUBLISHED ON : 09/04/18
NUMBER OF PAGES : ( 32 Pages)
PRICE : Rs 20.8

The elements are arranged in the form of table called periodic table. In 1789, Antoine Lavoisier identified a list of 33 chemical elements, grouping them into gases, metals, nonmetals, and earths. In 1817, Johann Wolfgang Döbereiner began to formulate one of the earliest attempts to classify the elements. In 1828 he found that some elements formed groups of three with related properties. He termed these groups “triads”


 
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