there are ............. states of matter, 2, 3, *we can see the atom by our naked eyes, true, false, the partials of gas move ..............the particles of liquid, faster than, slower than, who discover that : The atom is indivisible, dalton, boher, the scientist ............. discover ........... protons, Rutherford.....positive, Rutherford.....negative, the building block of the universe is ..........., matter, nucleus, atom, the center of atom.........., energy level, nucleus, electrons, the no charge part in the atom is........, electrons, protons, neutrons

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