You are started with a periodic_table database that has information about some chemical elements. You can connect to it by entering psql --username=freecodecamp --dbname=periodic_table in the terminal ...

James Tickner does not work for, consult, own shares in or receive funding from any company or organization that would benefit from this article, and has disclosed no relevant affiliations beyond ...

Two scientists in Moscow have proposed replacing the periodic table as the chief way to organize elements. Rather than ordering by atomic number (the number of protons in the nucleus) the chart lists ...