These are almost one-quarter of the periodic table and are mainly found in the first four periods. Of these, 11 are essential elements that our bodies need in larger amounts: oxygen, carbon ...

Boron (B), carbon (C), nitrogen (N), and oxygen (O) are elements with atomic numbers 5, 6, 7, and 8, respectively, occupying ...

Sometimes these elements are unwanted; other times they're intentionally added. Carbon (C): Carbon, a nonmetallic element, forms a number of organic and inorganic compounds and can be found in ...

For many years, the Heavy Element Chemistry group ... which is stabilized by the berkelium-carbon bonds. "Traditional understanding of the periodic table suggests that berkelium would behave ...