Question

why does beryillium have same no. of electrons in both the shells?​

Answer 1

Answer:

atomic number is 4

Explanation:

in first shell only s orbital exist so it can have 2 electrons. the other two go to next shell.

Answer 2

Answer:

because it is duplet .

Explanation:

at. no. of Be is 4. its electronic configuration is 1s2 2s2.

its s shell orbits

are complete