Question

What is the chemical formula of the borax bead??

Answer 1

The bead made of Borax. The chemical formula of the Borax (which is also called Sodium tetraborate decahydrate), is as follows:

Na2B4O7·10H2O        or

Na2[B4O5(OH)4]·8H2O

Answer 2

Borax bead is NaBO2 . borax is first heated where water of crystallisation is removed to form sodium metaborate , on further heating it turns into transparent liquid which solidifies into glassy material called borax bead