unlocked puzzles of science

 Introduction The periodic table of the elements is one of the most powerful icons in science ; a single document that consolidates much of our knowledge of chemistry.For over a century, millions of children have started out every year on their journey into the fascinating world of chemistry with the periodic table of the chemical elements. Hundreds of versions of the periodic table have been proposed, and a variety of methods have been applied to its analysis.Throughout its long history, the periodic table has been disputed, altered and improved as science has progressed and as new elements have been discovered. But despite the dramatic changes, no revolution in the basic nature of the periodic system. After evolving for over 200 years through the work of many people, the periodic table remains at the heart of the study of chemistry  It ranks as one of the most fruitful ideas in the modern science. Efforts of many physicists and chemists  The modifications to quantum the...