Question

Beryllium (Be) has an atomic number of 4 and an atomic mass of 9. Beryllium has _____.

4 electrons
5 electrons
9 electrons
13 electrons

Answer 1

`\huge \bf༆ Answer ༄`

The number of electrons in a neutral atom is equal to its Atomic Number.

Therefore, Beryllium (Be) has 4 electrons