Which of these statements describes the size of an atom?
A. An atom is larger than a sheet of aluminum foil.
B. An atom is small but can be seen with just our eyes.
C.An atom is the size of a plastic building block.
D.An atom is tiny and cannot be seen without magnification.
essentially an atom means "undividable particle" so basically to get an atom out of any element you get to divide it until you can't do it anymore and so you won't see the particle.
