Õ: silikooniks nimetamine ("Silikooniorg", "silikoonaju" meedias) on oluline haridus(etus)taseme indikaator

olemus
neljavalentne mittemetall laenguarvuga 14, pooljuhtmaterjal, integraallülituste tooraine
= a nonmetallic element with an atomic number of 14, a semiconductor raw material for integrated circuits

ülevaateid
https://en.wikipedia.org/wiki/Silicon

https://www1.columbia.edu/sec/itc/ee/test2/pdf%20files/silicon%20basics.pdf