i only know that E is one of them
Answer:
Aldehydes are typically more reactive than ketones due to the following factors. ... The carbonyl carbon in aldehydes generally has more partial positive charge than in ketones due to the electron-donating nature of alkyl groups. Aldehydes only have one e- donor group while ketones have two.
Explanation:
In ions atoms lose and gain electrons
If you cut the cube and keep all the pieces you are causing only physical change
Just look it up on goog^le or a chart