14Si28.085
Silicon
Metalloid · element 14 · group 14, period 3
Quick facts
| Symbol | Si |
|---|---|
| Atomic number | 14 |
| Relative atomic mass | 28.085 |
| Category | Metalloid |
| Position | group 14, period 3 |
| State at 20 °C | Solid |
| Melting point | 1,414 °C |
| Boiling point | 3,265 °C |
| Density | 2.329 g/cm³ |
| Electronegativity | 1.9 |
| Electron configuration | [Ne] 3s2 3p2 |
About Silicon
Silicon has the symbol Si and atomic number 14, which means every silicon atom has 14 protons in its nucleus and, in a neutral atom, 14 electrons. At room temperature it is a solid.
Metalloids have properties between metals and non-metals. Several, like silicon, are semiconductors used in electronics.
It melts at 1,414 °C and boils at 3,265 °C.
Explore it
See where silicon sits, and drag the temperature slider to watch it melt and boil, on the interactive periodic table. Practise with quizzes on OmniEx.