What is the basis of the periodic table? The periodic table also makes known fascinating patterns and exceptions. For example, noble gases on the far right have all their “energy levels” occupied, making them exceptionally stable and inactive. Groups like halogens are electron-attracted, always looking for other atoms to fill their empty “orbitals.” The fundamental … Read more

What is the law of triads? Chemically similar every three elements have atomic mass such that the middle one has the atomic mass of about the average of the other two- this is the Triads Law. Who was Johann Wolfgang Dobereiner? Dobereiner was a German chemist who lived from 1780 to 1849. He is best … Read more