Chemistry

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Across
  1. 3. a negatively charged ion
  2. 6. a substance made of two or more different elements chemically bonded
  3. 7. an electrical property of particles
  4. 9. a full set of eight electrons in an atom's outer shell
  5. 10. the number of electrons an atom can gain, lose, or share
  6. 12. when an atom has a full outer shell of electrons
  7. 13. a positively charged particle found in the nucleus of an atom
Down
  1. 1. a positively charged ion
  2. 2. a force that holds atoms together in a molecule or compound
  3. 3. the basic unit of matter that is made up of protons, neutrons, and electrons
  4. 4. a type of bond formed when electrons are transferred from one atom to another
  5. 5. a group of atoms bonded together
  6. 7. a type of bond where atoms share electrons
  7. 8. a particle with no charge in the nucleus of an atom
  8. 11. a negatively charged particle that is around the nucleus of an atom