Chemistry - Recap (SL)

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Across
  1. 3. - The electrons in the outermost shell of an atom.
  2. 5. - Type of bond formed by the sharing of electrons between atoms.
  3. 7. - The phase transition from solid to gas without passing through the liquid state.
  4. 9. - A compound that contains water molecules within its crystal structure.
  5. 10. - The table that organizes elements by their chemical properties.
  6. 11. - Atoms of the same element with different numbers of neutrons.
  7. 14. - The energy required to remove one mole of electrons from one mole of gaseous atoms.
  8. 16. - Type of bond formed by the transfer of electrons.
  9. 17. - A reaction where an atom gains electrons.
  10. 19. - The attraction between atoms that allows the formation of chemical substances.
Down
  1. 1. - The study of the rates of chemical reactions.
  2. 2. - The SI unit for the amount of substance.
  3. 4. - A substance that speeds up a chemical reaction without being consumed.
  4. 6. - The number of particles in one mole of a substance.
  5. 8. - A subatomic particle with a negative charge.
  6. 10. - The number of protons in an atom's nucleus.
  7. 12. - The simplest whole-number ratio of elements in a compound.
  8. 13. - A subatomic particle with no charge found in the nucleus.
  9. 15. - A reaction where an atom loses electrons.
  10. 18. - A type of reaction that absorbs heat from the surroundings.