Scientists use the periodic table to quickly refer to information about an element, like atomic mass and chemical symbol. The periodic table’s arrangement also allows scientists to discern trends in ...

In the 23rd century, the universe is threatened by evil. The only hope for mankind is the Fifth Element, which comes to Earth every 5,000 years to protect humans with stones of the four elements ...

In the 23rd century, the universe is threatened by evil. The only hope for mankind is the Fifth Element, which comes to Earth every 5,000 years to protect humans with stones of the four elements ...