<span>The answer to this question would be: placement of electrons only
An atom with resonance structure or mesomerism has one or more different structure with different placement of the electron. The atom should have a same amount of electron but only differ in the electron position. This will result in a different Lewis structure model. In this structure, you can find </span>π electrons pair.<span>
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Answer:
458ml
Explanation:
According to charles law, 
Given values,
Volume occupied 
Temperature 
Second temperature 
Volume 
From charles law, 
Volume occupied by the oxygen at 0.0°C is 458ml
Aqua regia is a mixture of hydrochloric acid (HCl) and nitric acid (HNO
3)
Answer:
until it gets bright white or smells bad, then throw it out
Explanation:
