atomic number for silicon
Number of Neutrons Melting Point Boiling Point Date of Discovery Crystal Structure. Element Groups: Alkali Metals Alkaline Earth Metals Transition Metals Other Metals Metalloids Non-Metals Halogens Noble Gases Rare Earth Elements Basic Information | Atomic Structure | Isotopes | Related Links | Citing This Page. Basic Information Name: Silicon Symbol: Si Atomic Number: 14 Atomic Mass: 28.0855 amu Melting Point: 1410.0 Â°C (1683.15 K, 2570.0 Â°F) Boiling Point: 2355.0 Â°C (2628.15 K, 4271.0 Â°F) Number of Protons/Electrons: 14 Number of Neutrons: 14 Classification: Metalloid Crystal Structure: Cubic Density @ 293 K: 2.329 g/cm 3 Color: grey Atomic Structure