This is Oxygen. The pen is the electron shell. The inside circle is the nucleus.
Oxygen has... Atomic Number: 8 Symbol: O Group: Other Nonmetals Atomic Mass: 15.9994 atomic mass units Density: 0.001429 grams per cubic centimeter Atomic Radius: 48 picometers Crystal Structure: Cubic Group (Vertical Row): 6 or 16 Period (Horizontal Row): 2 Standard State: Gas Electron Configuration: 1s2 2s2 2p4 Classification: Nonmetal Ion: O-
