Question

An atom X has electronic
configuration (2,8,5). What will be
the atomic number of that atom. *
O 2
08
05
O 15​

Answer 1

Answer:

The atomic number of that atom will be 15.

Answer 2

The 1st shell carriers 2 electon 2nd shell carriers 8electon and 3rd sheel carriers 5 electon atomoc no. is 15