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History of Periodic Table Animation
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Please watch: "The Black Day |Indian Parents| Indian Girlfriend|" https://www.youtube.com/watch?v=hEK4HYS5DIg --~-- Like my fb page : https://www.facebook.com/skyhitecho/ Follow me on instagram https://www.instagram.com/aakash___sky/ Join our WhatsApp group & get connected to me. https://chat.whatsapp.com/6uuPMFncpMB8E5Fo0VIKv1 The periodic table is an arrangement of the chemical elements, organized on the basis of their atomic numbers, electron configurations and recurring chemical properties. Elements are presented in order of increasing atomic number. The standard form of the table consists of a grid of elements, with rows called periods and columns called groups. The history of the periodic table reflects over a century of growth in the understanding of chemical properties. The most important event in its history occurred in 1869, when the table was published by Dmitri Mendeleev,[1] who built upon earlier discoveries by scientists such as Antoine-Laurent de Lavoisier and John Newlands, but who is nevertheless generally given sole credit for its development.
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https://www.youtube.com/watch?v=I5H1SeepnaU&fbclid=IwAR1KzKtWUQIrGwU8Q0yDJlLT66M2BbpQHKYHLgU_OaTI5Xj
Created:
8. 10. 2019 17:00:28