> Hydrogen is the first element on the periodic table. It has an atomic number of 1. It is highly flammable and is the most common element found in our universe.
> Copper is the only metal that is naturally antibacterial.
> Osmium is the densest known stable element on Earth.
> The coldest state of matter —Bose-Einstein Condensatesuperfluid — defies gravity and instead of flowing down, it flows upward.
> Chalk is made of trillions of microscopic skeleton fossils of plankton (a tiny sea creature.)
> The eight 'Noble metals' — ruthenium, rhodium, palladium, silver, osmium, iridium, platinum and gold — do not rust.