Vocabulary
This is the electron configuration for helium.
What is 1s^2?
This is the electron configuration for sodium.
What is 1s^2 2s^2 2p^6 3s^1 OR... what is [Ne]3s^1?
This is the electron configuration for potassium.
What is 1s^2 2s^2 2p^6 3s^2 3p^6 4s^1 OR... what is [Ar]4s^1?
This is the electron configuration for argon.
What is 1s^2 2s^2 2p^6 3s^2 3p^6 OR... what is [Ne]3s^2 3p^6?
This is the electron configuration for copper.
What is 1s^2 2s^2 2p^6 3s^2 3p^6 4s^2 3d^9? OR... what is [Ar] 4s^2 3d^9?