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It has symbol si and atomic number 14. A crucial component in … It has blue-grey metallic lustre. Silicon is a chemical element; · silicon is the element to thank for the computer youre using to read these words. Sources, facts, uses, scarcity (sri), podcasts, … · silicon, a nonmetallic chemical element in the carbon family that makes up 27. 7 percent of earth’s crust; Silicon is a brittle and hard crystalline solid. Element silicon (si), group 14, atomic number 14, p-block, mass 28. 085. Silicon, in comparison with neighbouring elements … It is a hard, brittle crystalline solid with a blue-grey metallic …