A friend of mine is currently living in India. The people she is living with just treated the wooden door with either kerosene or jet fuel (its not clear which of the both, as the language barrier makes communication rather difficult). We do now wonder if touching or even being close to this door...

When electrons gain energy they become more excited and move to a higher energy level, which increases the tendency of an atom to form a bond with another atom. Thus, surely bond making requires the absorbance of energy? Equally when electrons lose energy they drop to a lower energy level, whic...

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