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Periodic table of elements introduction, names, symbols. Cbse class 11 chemistry periodic classification of. Notes for neet chemistry classification of elements and periodicity in properties diagonal relationship. But nevertheless, mendeleev is given sole credit for his development of the periodic table. Katz department of chemistry pima community college. The electronic configuration of elements and the periodic table. Dobereiners triads, 1829 dobereiner was the first scientist to classify the elements in some groups. This law was given this name because of its resemblance with the octaves of music. In our ncert solutions for class 11 chemistry chapter 3 pdf, we also clearly explain the difference between mendeleevs approach of the periodic law and the modern approach of the periodic law. Chapter 1 periodic classification of elements and periodicity. Periodic trends in chemical properties chemistry, class.
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