What is the electron configuration for a sodium ion?

Compare the valence electron configuration of the nobles gas elements seen here. what statement is correct?

*will mark you brainliest + 15 points ** why does the equilibrium of a system shift when the pressure is increased? a. to maximize the stress on the system b. to stop restoring equilibrium to the system c. to increase the total moles of gas in the system d. to decrease the total moles of gas in the system

Once similarity and one difference between a mixture of elements and a mixture of compounds