Which of the following has six electrons in its valence shell? oxygen nitrogen sodium neon

Oxygen has six electrons in its valence shell. It belongs to the group 6 elements in the periodic table. It means that it needs two electrons to be gained in order for it to follow the octet rule.

Oxygen has six valence electron in its valence shell.

Explanation:

Valence shell : Outermost shell of an atom containing the valence electrons.

Valence electrons: Electrons in the outermost shell is known as valence electrons.

Oxygen has atomic number of 8.

From the electronic configuration of the oxygen we can see that there are six valence electrons present in its valence shell.

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a saline water is fed to a reverse osmosis unit at flow rate o rotameter connected to reject (retentate) line reads 8 installed in reject and permeate line reads 15.2 milli siemens/cm and 300 micro siemens/com respectively.