history of the atom from democritus to bohr. democritus of abdera greek 4 th century bc....
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DESCRIPTION
All matter is composed of atoms, which are bits of matter too small to be seen. These atoms CANNOT be further split into smaller portions. There is a void, which is empty space between atoms. Atoms are completely solid. Atoms are homogeneous, with no internal structure. Atoms are different in... »1)...their sizes »2)...their shapes. »3)...their weight.