Question

what is berylliumexplain in full sentences ​

Answer 1

The chemical element of atomic number 4, a hard grey metal

Answer 2

Beryllium is a chemical element with the symbol Be and atomic number 4. It is a relatively rare element in the universe, usually occurring as a product of the spallation of larger atomic nuclei that have collided with cosmic rays. Within the cores of stars, beryllium is depleted as it is fused into heavier elements.