An atom is solid material
The second option
You can see it in the name that see represents carbon and H represents hydrogen on the periodic table. The numbers after it are the amount of items that are in the molecule
<span>The number of protons determines what __________ a particular atom belongs to.
Answer = The number of protons </span><span>determines what element a particular atom belongs to.
So the correct and best answer choice is C. element.
Hope this helps.</span>