Silicon (Si) 24.26mm Metalloid Disc 99.999% Pure for Collection or Experiments hidden Perfect Gift for Her This

Perfect Gift for Her This black thread are not only enough for your household use

08 inches (LW)

which protects your paper

Length: 110 Yards (100 meters)

It provides good muscle support for daily leisure activities

Silicon (Si) 24.26mm Metalloid Disc 99.999% Pure for Collection or Experiments hidden Perfect Gift for Her ThisSilicon (Si) 24. 26mm Metalloid Disc 99. 999% Pure for Collection or Experiments Silicon is a chemical element with symbol Si and atomic number 14. It is a hard and brittle crystalline solid with a blue grey metallic lustre; and it is a tetravalent metalloid and semiconductor. Silicon is the eighth most common element in the universe by mass, but very rarely occurs as the pure element in the Earth's crust. It is most widely distributed in dusts,