Vocabulary Review

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Across
  1. 2. Gases group that is found in Group 18 and have a full shell
  2. 4. positive charge and in the nucleus of an atom
  3. 8. electrons that are found on the outermost shell
  4. 9. process by which an unstable nucleus is hit by a neutron and splits into small nuclei
  5. 11. reaction is where the physical appearance is changed
  6. 13. bond where atoms share electrons by two non-metals
  7. 15. the substance that is dissolving the solute. Ex: Sugar
  8. 16. reaction where energy is being released out
Down
  1. 1. reaction is where two or more substances form a new substance
  2. 2. has no charge and the same mass of a proton
  3. 3. reaction where energy is being absorbed in
  4. 4. caused by the uneven sharing of electrons
  5. 5. process by which a small nuclei combine together to form a heavier nuclei
  6. 6. bond where atoms exchange electrons between a metal and non-metal
  7. 7. any things that have mass and a volume
  8. 10. the substance that is being dissolved. Ex: Salt
  9. 12. smallest unit of all matter
  10. 14. elements that border the stair-step line