An atom of oxygen is neutral and so will have 8 electrons. Two electrons will fill the first shell.The remaining 6 electrons will go into the second shell. The electronic structure of oxygen is: 2, 6.

Lodged in a chunk of titanium, a single oxygen atom spurs extra defects in the metal’s atomic structure. Such flaws make titanium easy to shatter, scientists report in the Feb. 6 Science .

Atom structure (Image source: Freepik) Atoms are the basic building blocks of matter. ... For example, Oxygen has an atomic number of 8 because it has 8 protons in its nucleus.