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Key Trends in the Periodic Table by reedsky is a document available to read on EtoBox.
Dimitri Mendeleev was the first to publish an organized periodic table of elements in 1869. He predicted the properties of two undiscovered elements, which were later discovered and validated his periodic law. The periodic law states that elements arranged in order of increasing atomic number show repeating patterns of chemical and physical properties. Elements in the same group have similar properties due to their valence electrons. Atomic radius decreases left to right across a period as effective nuclear
- Author
- reedsky
- Language
- EN