Question

Write the electron configuration for sodium.

Answer 1

1s^2..2s^2..2p^6..3s^1

Step-by-step explanation:

Since sodium has 11 electrons...its electron configuration is...;

1s^2..2s^2..2p^6..3s^1

;The powers of the energy levels(i.e s,p,d) should all add up to the number of electrons in an atom

*.When writing...please do not separate them.