Top network posts
- 17 Is it possible for a substance to absorb a longer wavelength of EM wave and emit a shorter wavelength?
- 15 Why does bond angle decrease in the order H2O, H2S, H2Se?
- 13 Is there any empirical upper limit for order of reaction?
- 12 Can magnetic fields affect a chemical reaction?
- 12 What is resonance, and are resonance structures real?
- 12 Why do spin isomers of hydrogen (ortho and para hydrogen) change their nuclear spin with temperature variance?
- 11 Why is the magnesium(II) ion preferred over other ions in chlorophyll?
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