A single lump of the tetravalent metalloid, silicon (Si), as used in a UK high school.

---

Silicon, a tetravalent metalloid, is a chemical element with the symbol Si and atomic number 14. It is less reactive than its chemical analog carbon, the nonmetal directly above it in the periodic table, but more reactive than germanium, the metalloid directly below it in the table.

---

Size: 3624px × 2415px
Location: London UK
Photo credit: © Maurice Savage / Alamy / Afripics
License: Licensed
Model Released: Yes

Keywords: close, detail, education, hand, high, lump, material, metalloid, palm, practicals, school, science, si, silicon, tetravalent, uk