That’s why this periodic table clock really caught our eye. [gocivici]’s idea is a simple one: light up three different elements with three different colors for hours, minutes, and seconds ...

The zigzag, staircase, line in the diagram of the periodic table above separates the metals, on the left, from non-metals, on the right. Hydrogen is a non-metal, but it is often put in the middle.

Bismuth, the 83rd element in the periodic table, has been known since ancient ... The word bismuth itself is derived from the German word 'wismuth' (white mass). Studies showed that it was used ...