For silicon , given

Wavelength of light that excite an electron from the valence to the condiction band in silicon is

Find the wavelength of light that may excite an electron in the valence band of diamond to the conduction band. The energy gap is 5.50 eV

Find the wavelength of light that may excite an electron in the valence band of diamond to the conduction band. The energy gap is 5.50 eV

The number of unpaired electrons in the valence shell of silicon is

The number of unpaired electrons in the valence shell of silicon is

electronic configuration of silicon is___.

Write the electronic configuration of silicon

What is the valency of silicon?

Carbon, silicon and germanium atoms have four valence electrons each. Their valence and conduction bands are separated by energy band gaps represented by (E_(g))_(C),(E_(g))_(Si) and (E_(g))_(Ge) , respectively. Which one of the following relationship is true in their case?