Chemistry Review

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Across
  1. 5. A group of elements missing an electron in their outermost shell
  2. 6. The name for having more or fewer electrons than protons
  3. 9. Another name for an energy level
  4. 10. A substance that increases the rate of a chemical reaction
  5. 12. A solution in which the solvent is water
  6. 13. A positively charged ion
  7. 15. The ‘inventor’ of the modern Periodic Table
  8. 18. The location of electrons
  9. 19. a pattern of gradual change
  10. 22. the rule describing the tendency of atoms to react in order to obtain a full outer shell
  11. 23. A positively charged sub-atomic particle
  12. 25. A column of elements in the periodic table
  13. 26. Protons + Neutrons
  14. 27. A neutral compound consisting of anions and cations
  15. 29. A substance in which two or more elements are bonded together
  16. 30. An element with a full valence shell of electrons
  17. 31. The number of protons in the nucleus of an atom
  18. 32. The relationship between the mass of a substance and the space it takes up
Down
  1. 1. The bond formed between two non-metals
  2. 2. A group of atoms bonded together
  3. 3. Any element in the d-block (groups 3 – 12) of the periodic table
  4. 4. An element in Group 1 of the Periodic Table
  5. 7. An atom with a specific number of protons
  6. 8. electrons involved in chemical bond formation
  7. 11. A bond in which electrons are shared
  8. 14. When elements/compounds exist together but without chemical bonds
  9. 16. A negatively charged sub-atomic particle
  10. 17. A sub-atomic particle with no charge
  11. 20. The horizontal rows of the Periodic Table
  12. 21. The bond formed between a metal and a non-metal in which electrons are transferred
  13. 24. The arrangement of the nucleus and electrons
  14. 28. An atom which has gained or lost an electron
  15. 31. A negatively charged ion