and all the elements in group 0 are unreactive non-metals. The zigzag, staircase, line in the diagram of the periodic table above separates the metals, on the left, from non-metals, on the right.

Ram Mohan looks at how bismuth — a remarkably harmless element among the toxic heavy metals in the periodic table — has sparked interest in areas varying from medicinal to industrial chemistry.

Currently, there are 118 known elements on the periodic table, from hydrogen all the way to oganesson, which was officially named in 2016. It's pretty hefty, with at least 294 subatomic particles ...

Recent sampling shows that a high-alpine tributary of the Roaring Fork River, in addition to having high concentrations of ...