Question

I will make u as brainly if u answer this question sodium ion is isoelectronic with ------------- atom and why

Answer 1

Sodium: Na: Z = 11. A = 23.
Electronic configuration: (11 electrons) $1s^2 \: 2s^2 \: 2p^6 \: 3s^1$

Na+ ion has only 10 electrons as the 3s electron is released Into the solution.

ANSWER:
Neon atom: Ne has atomic number 10. It has 10 electrons in total. Neon is a noble gas.