This element's four valence electrons allow it to form four bonds with other elements.
This element's four valence electrons allow it to form four bonds with other elements. This element's allotropes include diamond, graphite, and stable nanotubes, and an isotope of this element with an atomic mass of (*) 14 is used in archaeology for radiometric dating. For ten points, name this element, the focus of organic chemistry, with atomic number 6 and atomic symbol C.
This element's four valence electrons allow it to form four bonds with other elements.
carbon (accept C before it is read)