Answer and Explanation:
The resonance contributor in cyclopentadienone (as shown in the attachment below) results into the compound having a positive charge on the carbonyl group, C=O which accounts for a highly reactive anti-aromatic 4π system. And this illustrates the reason for its instability.
Answer:
E
Explanation:
burning a substance changes it chemically.
Answer:
a body's relative mass or the quantity of matter contained by it, giving rise to a downward force; the heaviness of a person or thing.
really depending on what weight you are referring to but thats the number 1 on dictonary