This is Boron. The pen is the electron shell. The inside circle is the nucleus.
Boron has... Atomic Number: 5 Symbol: B Group: Metalloids Atomic Mass: 10.8111 atomic mass units Density: 2.460 grams per cubic centimeter Atomic Radius: 87 picometers Crystal Structure: Rhombohedral Group (Vertical Row): 3 or 13 Period (Horizontal Row): 2 Standard State: Solid Electron Configuration: 1s2 2s2 2p1 Classification: Metalloid Ion: B+