Chemical Basis of Life

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Across
  1. 5. Smallest particles of matter
  2. 6. Positively charged atom found in the nucleus
  3. 7. Subatomic particle with no charge found in the nucleus
  4. 9. Mutual attraction between 2 atoms resulting in a redistribution of their outer electrons
  5. 10. Reaction where simple chemical substances are combined to form complex chemical structures
  6. 12. The sum of all chemical reactions that occur within the cells
  7. 15. An example of a polysaccharide that cannot be digested by humans
  8. 17. Positively charged ion that is formed when a neutral atom loses electrons
  9. 18. Metal and a non-metal transferring electrons
  10. 19. The capacity for work
  11. 20. Makes up everything around us
Down
  1. 1. The study of life
  2. 2. Simplest sugar, that transport energy in the blood
  3. 3. Have the same number of protons, but different number of neutrons
  4. 4. Compounds that contain the element Carbon are:
  5. 7. The control centre of an atom
  6. 8. Negatively charged ion that is formed when a neutral atom loses electrons
  7. 11. Reaction where complex substances are broken down into simpler substances
  8. 13. Negatively charged particle outside the nucleus
  9. 14. Two metals sharing electrons
  10. 16. Pure substances that cannot be broken down
  11. 17. Biological unit of all organisms