Elemental sodium metal burning in oxygen gas. Sodium burns with a yellow flame, producing sodium oxide, a white powder. The equation for this reaction is 4Na + O2 --> 2Na2O. In reality, a small amount of sodium peroxide (Na2O2) is also produced. See clip K004 2150 for the metal and its oxide side by side. | |
Lizenzart: | Lizenzpflichtig |
Credit: | Science Photo Library / RHYS LEWIS & MINH TAN PHAM, AHS, DECD, UNISA |
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