The number at the bottom of Silicon on the periodic table is 28.086. This number is the element's _____________.
symbol
atomic number
atomic mass
electron number
![The number at the bottom of Silicon on the periodic table is 28086 This number is the elements symbol atomic number atomic mass electron number class=](https://us-static.z-dn.net/files/dd0/1b2dbb9d9fefd08a6d9a166e1a6134c7.jpg)