How do you indicate the valence electron configuration for Magnesium Carbon and Flourine?
The valence elctron configuration is the configuration of the electrons in the valence (bonding) shell. Magnesium (Mg) has two valence electrons in the 3s subshell, so its valence electron configuration is 3s², two valence electrons in all. Carbon (C)has two valence electrons in the 2s subshell, plus two in the 2p subshell, so its valence electron configuration is 2s² 2p², totalling 4 valence electrons. Fluorine (F) has two valence electrons in the 2s subshell, and five in the 2p subshell, so it has a valence electron configuration of 2s² 2p^5, with a total of 7 valence electrons.
