Despite its electron deficiency, boron can form multiple bonds with a variety of elements, but such bonds between boron and main-group metal elements are relatively rare.

Discover the history, structure, and importance of the periodic table of elements, from Mendeleev’s discovery to modern scientific applications.

Main Group Metals: Elements in the s‑ and p‑blocks of the periodic table that typically exhibit a fixed, low coordination number and are characterised by their ns² np¹–6 electron ...