If oxygen is #"O"#, then what is #"O"_2# ?
Because it isn't stable as a single atom
It's true that Oxygen, can be termed as
Usually any atom needs 8 electrons in its outer orbit in order to stay stable.
But, the Oxygen atom has 6 electrons in its outer orbit. So, it needs two more electrons in order to make it 8. So, it makes a bond with another oxygen atom and shares 2 electrons each and becomes stable.
Its now represented as
Well in the UK,
As you say,
And a simple VESPER treatment gives the electronic structure of dioxygen is...
With respect to dioxygen, molecular geometry is LINEAR....electronic geometry with respect to each atom is TRIGONAL PLANAR....