2 Si + 3 O2 → 2 SiO3

This is an oxidation-reduction (redox) reaction:

2 Si0 - 12 e- → 2 SiVI (oxidation)

6 O0 + 12 e- → 6 O-II (reduction)

Si is a reducing agent, O2 is an oxidizing agent.

Reactants:

  • Si
    • Names: Silicon source: wikidata, accessed: 2019-09-07source: ICSC, accessed: 2019-09-04source: NIOSH NPG, accessed: 2019-09-02, Si source: wikidata, accessed: 2019-09-07, Element 14 source: wikidata, accessed: 2019-09-07
    • Appearance: Steel-grey crystals or black-to-brown amorphous powder source: ICSC, accessed: 2019-09-04; Black to gray, lustrous, needle-like crystals. [Note: The amorphous form is a dark-brown powder.] source: NIOSH NPG, accessed: 2019-09-02
  • O2
    • Names: Dioxygen source: wikidata, accessed: 2019-09-07, Oxygen source: ICSC, accessed: 2019-09-04source: wikidata, accessed: 2019-09-07, Oxygen (liquefied) source: ICSC, accessed: 2019-09-04
    • Appearance: Odourless compressed gas source: ICSC, accessed: 2019-09-04; Liquefied gas. colourless-to-blue extremely cold liquid source: ICSC, accessed: 2019-09-04

Products:

  • SiO3