1) Smallest, most basic unit that makes up matter a) molecules b) atoms 2) Center of the atom that contains protons and neutrons. a) nucleus b) earth 3) Negatively charged particle in an atom that orbits around the nucleus. a) electrons b) Going around a chair 4) Positively charged particle in the atom found in the nucleus. a) rainbows b) protons 5) Particle in the atom found in the nucleus that has no charge. a) neutron b) free 6) What does the word 'atom' mean? a) uncuttable b) unfathomable

Atoms and Molecules

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