CHEMISTRY CROSSWORD

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Across
  1. 5. – Region around an atom’s nucleus where electrons are found
  2. 7. – Number in front of a formula that tells you how many molecules
  3. 10. – Bond where atoms share electrons
  4. 12. – How strongly an atom attracts electrons in a bond
  5. 13. – Two or more atoms joined together
  6. 17. – Process that makes glucose using sunlight
  7. 19. – Process that breaks down glucose to release energy
  8. 21. – The column number in the periodic table, same as the number of outer electrons
  9. 23. – Ice melting is an example of this kind of change
Down
  1. 1. – Substance made of only one type of atom
  2. 2. – Triangle used to find mass, moles or relative formula mass (4,8)
  3. 3. – Substance made from two or more elements chemically bonded
  4. 4. – Combustion is an example of this kind of change
  5. 6. – Bond formed between metals and non-metals by electron transfer
  6. 8. – Metal with a relative atomic mass of 24 g/mol
  7. 9. – Constant equal to the number of particles in one mole (9,6)
  8. 11. – Smallest particle of an element that still keeps its properties
  9. 14. – Unit that counts particles in chemistry, like a chemist’s dozen
  10. 15. – Substances you end up with in a chemical reaction
  11. 16. – A set of chemical symbols that shows what atoms are in a substance
  12. 17. – The row number in the periodic table, same as the number of shells
  13. 18. – Number written small and low to show how many atoms in a molecule
  14. 20. – Substances you start with in a chemical reaction
  15. 22. – What atoms do with electrons in a covalent bond