An organic compound in which a carbonyl group is bonded to two different carbon atoms is a(n) amide. aldehyde. ketone. ester.

ketone

Explanation:

Functional groups are specific group of atoms within molecules that are responsible for the characteristic chemical reactions of those molecules.

1. Amides have functional group .

Example: Ethanamide with molecular formula

2. Aldehydes have functional group .

Example: Ethanal with molecular formula

3. Ketones have functional group .

Example: Propanone with molecular formula

4. Esters have functional group .

Example: methyl ethanoate with molecular formula

i believe it is-

d.) gravity pulled particles of dust and gas together to form planets.