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 ...

its atoms could represent an "island of stability" that could revolutionize heavy-element chemistry. There are currently 118 ...

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.

The position of an element on the periodic table provides information about its properties. The majority of elements are metals and they are found on the left and in the middle of the periodic table.

Many of the pioneers of nuclear physics and chemistry feature in the list of heavy, radioactive ... where they seemed to sit in the periodic table, the elements after number 89, actinium, should ...

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.