(N/A) The periodic table is arguably the most important concept in chemistry,both in principle and in practice. It serves as an everyday support for students,suggests new avenues of research to professionals,and provides a succinct organization of the whole of chemistry.
It is a remarkable demonstration of the fact that the chemical elements are not a random cluster of entities but instead display trends and lie together in families.
An awareness of the periodic table is essential to anyone who wishes to understand the world and see how it is built up from the fundamental building blocks of chemistry,the chemical elements.