• Science 5: c9:L2
     Help
  • The smallest unit of an element ( building block of things)
    atom
  • The particle in an atom that has a negative charge
    electron
  • The particle in an atom that has no charge
    neutron
  • Unlock this slideshow and over 4 million more with Baamboozle+
    Try slideshows
    • Your experience on this site will be improved by allowing cookies.