College life is tough, but it’s harder when you’re one of the four elements. Which power would you want? Water, air, fire or ...

Now, the table is called the periodic table because ... The melting points then get gradually lower, with the element caesium four places down having a melting point of 28°C.

Scientists have found that our bodies need 28 different elements to function properly. These are almost one-quarter of the periodic table and are mainly found in the first four periods.

Currently, the seventh period of the periodic table has been completed, with the recent addition of four elements in December 2015. University of St Andrews Early periodic table chart from around ...