Réponse publiée par: kelly072
the staircase is the mettaloid in the left side is the non metal while in ghe right side are the metals
Réponse publiée par: janalynmae
You can look on top of the box of the hydrogen.
There listed what type of metal the line belonged to and also the other elements.
Réponse publiée par: cland123
14-16 on the periodic table.
Where can you find metals, non-metals and noble gasses in the periodic table of elements? ...