Vitamin A has the molecular formula C20H300. How many
carbon atoms are in
6.02 x 1023 molecules vit A?

307.923

Explanation: Im not sure but thats my best guess. :p

neutrons are in the middle of the atom and the electrons, which are much smaller.

periodic trends is an atom that gets larger as the number of electronic shells increase, the radius of atoms increases as you go down a certain group in the periodic table of elements. in general, the size of an atom will decrease as you move from left to right of a certain period.