What is the electronic configuration for the sodium ion, Na+ ?

1s2 2s2 2p6
Na+ has +1 positive charge and therefore it has lost an electron.It loses its one electron in its 3s orbital as that electron is at the highest energy - highest energy electrons are the first to be lost.

Answered by Chemistry tutor

23330 Views

See similar Chemistry A Level tutors

Related Chemistry A Level answers

All answers ▸

Describe the key properties that rely upon metallic bonding and explain this.


Describe and explain the electrical conductivity of lithium oxide, Li2O, and lithium in their solid and molten states.


Explain the reasons for the changes in reactivity of Phenol, Benzene and MethylBenzene


How does ionic bonding work and what is the structure of an ionic compound?


We're here to help

contact us iconContact ustelephone icon+44 (0) 203 773 6020
Facebook logoInstagram logoLinkedIn logo

MyTutor is part of the IXL family of brands:

© 2025 by IXL Learning