Kangni's Science Crossword

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Across
  1. 3. Elements in group 17 are called...
  2. 5. The element with 27 protons
  3. 7. A vertical column of elements in the periodic table
  4. 9. Elements in group 1 are called...
  5. 10. A horizontal row of elements in the periodic table
  6. 12. A subatomic particle that has a negative charge
  7. 13. The upwards force that fluids exert on matter
  8. 16. The element with the symbol Sb
  9. 17. A subatomic particle that has no charge and that is found in the nucleus of an atom
  10. 18. Resistance to flow
  11. 19. An atom's central region, which is made up of protons and neutrons
Down
  1. 1. The smallest unit of an element that maintains the properties of that element
  2. 2. The element with the symbol Hg
  3. 3. The only element found in Group 1 and Period 1
  4. 4. Elements in group 2 are called...
  5. 6. The element with the symbol Cu
  6. 8. The element that has 3 protons
  7. 11. The element that has 79 protons
  8. 14. Elements in group 18 are called...
  9. 15. The element with 12 electrons on the periodic table