The Periodic Table is a well-organized chart that contains all 118 known elements in the universe. These elements are the ...

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.

TULELA: For example, zinc is Zn, copper is Cu ... In the next episode, there’ll be more on the periodic table, specifically group 1, 7 and 0. SUNAYANA: I’m Dr Sunayana Bhargava.