GENERAL KNOWLEDGE

Detailed explanation-1: -Silicon is a chemical element with symbol Si and atomic number 14.

Detailed explanation-2: -silicon (Si), a nonmetallic chemical element in the carbon family (Group 14 [IVa] of the periodic table). Silicon makes up 27.7 percent of Earth’s crust; it is the second most abundant element in the crust, being surpassed only by oxygen.

Detailed explanation-3: -Answer: While naming an element first letter of the elements is taken and written in capitals(e.g. for sulfur, we use the symbol S). (e.g. for sodium/Natrium, we use the symbol Na). In some cases, we use the initial letter in capital together with a small letter from its name (e.g. for silicon, we use the symbol Si).