How and why is silicon bonded to 4 oxygen atoms in its structure of SiO2 although in the formula there are 2 oxygen atoms? - Quora
![Silicon–Oxygen Double Bonds: A Stable Silanone with a Trigonal‐Planar Coordinated Silicon Center - Filippou - 2014 - Angewandte Chemie International Edition - Wiley Online Library Silicon–Oxygen Double Bonds: A Stable Silanone with a Trigonal‐Planar Coordinated Silicon Center - Filippou - 2014 - Angewandte Chemie International Edition - Wiley Online Library](https://onlinelibrary.wiley.com/cms/asset/23a3e756-3f05-4615-a76e-7e3676fdfbea/mcontent.jpg)
Silicon–Oxygen Double Bonds: A Stable Silanone with a Trigonal‐Planar Coordinated Silicon Center - Filippou - 2014 - Angewandte Chemie International Edition - Wiley Online Library
![Various arrangements of silicon-oxygen bonding. Various arrangements of... | Download Scientific Diagram Various arrangements of silicon-oxygen bonding. Various arrangements of... | Download Scientific Diagram](https://www.researchgate.net/publication/327943519/figure/fig3/AS:675889935286272@1538156126152/Various-arrangements-of-silicon-oxygen-bonding-Various-arrangements-of-silicon-oxygen.png)