It's like 'What's an atom? What's an element?' ... Teachers feel like we need to hit the basics before we move on to something like the periodic table.
What the ocean was to the child, the Periodic Table is to the chemist.
Authorization is only required to store your personal settings and favorites.
Log in with:
Use this code for embedding the Quote anywhere
This site uses the cookies. By continuing to browse the site, you are agreeing to our use of cookies.
