Chemistry Revision Crossword

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Across
  1. 3. The weight of the nucleus is known as the Atomic _______
  2. 4. When an atom _______ electrons it becomes negatively charged
  3. 6. When two or more different atoms bond
  4. 9. When two or more atoms bond together
  5. 10. The type of bond formed between non-metals
  6. 12. Electrons in the outer-most shell of an atom
  7. 15. The substances that are formed in a chemical reaction
  8. 17. An atom that has gained or lost electrons
  9. 20. Negatively charged particle in an atom
  10. 21. Elements that sit between the metals and non-metals
Down
  1. 1. The substances that combine in a chemical reaction
  2. 2. When an atom _______ electrons it becomes positively charged
  3. 5. The type of bond formed between a metal and non-metal
  4. 7. Positively charged particle in an atom
  5. 8. The atomic particle with a neutral charge
  6. 11. The large group of metals in the middle of the Periodic Table
  7. 13. Pure substances in the Periodic Table
  8. 14. The gasses in Group 8
  9. 16. The smallest particle of matter
  10. 18. Elements are positioned on the Periodic Table in order of Atomic _______
  11. 19. Increases down Groups but decreases across Periods