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Chemistry Magazine August 2019 : For NEET/JEE Exam PDF Book | रसायन विज्ञान पत्रिका अगस्त 2019 : NEET/JEE परीक्षा हेतु पीडीऍफ़ बुक

Chemistry Magazine August 2019 : For NEET/JEE Exam PDF Book | रसायन विज्ञान पत्रिका अगस्त 2019 : NEET/JEE परीक्षा हेतु पीडीऍफ़ बुक


Chemistry-Magazine-August-2019-For-NEET-JEE-Exam-PDF-Book


Name of Book :  Chemistry Magazine August 2019 / रसायन विज्ञान पत्रिका अगस्त 2019 

Hope This Chemistry Magazine August 2019 Book will Step up you to Succeed / आशा करते हैं रसायन विज्ञान पत्रिका अगस्त 2019 पुस्तक आपके कदम सफलता की ओर ले जायगी

Language of Book : English

Size of Ebook : 23.9 MB

Total pages in ebook : 75

Ebook Downloading Status  : Best 
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Description about eBook : GENESIS OF PERIODIC CLASSIFICATION

  • Dobereiner's Triads : The element in a triad has similar properties and the atomic weight of the middle element of each triad is very close to the arithmetic mean of atomic weight of the other two elements.
  • De Chancourtois Classification : The elements were arranged in order of increasing atomic weights and a cylindrical table of elements was proposed to display the periodic recurrence of properties.
  • Newland's Law of Octaves : When the elements are arranged in the increasing order of atomic weights, the properties of every eighth element were similar to the first one like the eighth note of a musical scale.
  • Lothar Meyer's Arrangements : When the properties of the elements such as atomic volume, m.p!., b.p!., etc., are plotted as a function of their atomic weights, the elements with similar properties occupied almost similar positions on the curve.

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