What is the electronic configuration of silicon? 3s2 3p2 b) 4s2 c) 4s2 3d5 d) 4s2 3d3

Correct Answer: 3s2 3p2
Silicon is a semi-metal used to make solar cells and other electronics applications. It is the most common element found in the Earth’s crust. With a total of 14 electrons, it fills subshells according to Aufbau’s principle with an electronic configuration of 3s2 3p2.