Referring to the electronic configuration of silicon, explain how it can function as a semi conductor?

All the elements are arranged by melting points on the periodic table. in row they go from metals to gasses. in the row from sodium to argon, sodium is more reactive than the one on its right, magnesium.

Hello thereone of the following properties was originally used to arrange elements on the periodic table, but is no longer used to organize the modern version. which property fits this description? answer: atomic mass  was originally used to arrange elements on the periodic table, but is no longer used to organize the modern version.

C, small, hard spheres with insignificant volumes

Idon't mean to be a smart alec, length of atoms' bonds is the simplest way to define it.