Question

Name of element that has electronic structure of 2,8,1

Answer 1

there are totally 11 electrons

Since the no. of electrons = no. of protons, the atomic number is 11

The answer is Sodium, since it has atomic number 11

Answer 2

Answer:

Explanation:

ANS IS sodium or Na with atomic no.11

atomic no. is same as to no.of electrons present

so as per rule,11 electrons is arranged as 2,8,1

hence the ELEMENT Na is ans