Group-1 Elements of the Modern Periodic Table consist of Hydrogen(H), Lithium(Li), Sodium(Na), Potassium(K), Rubidium(Rb), Caesium(Cs), and Francium(Fr). Out of these elements except for hydrogen, the remaining elements are popularly known …
Newlands’ Law of Octaves is an early attempt to classify elements based on periodic properties. It set the stage for later, more complete methods like Mendeleev’s and the Modern Periodic …
Dobereiner Triads were an early attempt at categorizing chemical elements in a periodic manner. They gave the earliest indication that elements can occur in families with similar properties. Their discovery …