It has 2. It is number 8 on the Periodic Table of Elements.
3
Oxygen has eight protons.
There are two atoms of oxygen in an oxygen (O2) molecule.
one oxygen
oxygen is present everywhere in air,water etc. the type is o2 is gas o is nascent oxygen rest oxygen forms many compounds
4
Two
Oxygen has 8 electrons.
Two
An oxygen molecule consists of two oxygen atoms bonded together.
I do not require oxygen to function, so I will not run out of oxygen.
If you have 3 liters of air in your lungs and 2 tenths of that is oxygen, how many milliliters of oxygen are in your lungs?