How Many Valence Electrons Does Oxygen Have. Atomic oxygen has 6 valence electrons and 4 valence orbitals (2s, 2p x, 2p y, and 2p z). Then the two other shells are located in the 2s subshell, and it also.

Hence it belongs to group 6 of the periodic table. How many valence electrons does oxygen have? Oxygen being a chalcogen has six electrons in its outermost shell and requires only two electrons to complete its octet.