Chemistry

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Across
  1. 3. A proton (H+ ion) donor
  2. 5. natural polymers whose monomers are bonded to each other via the amide link, CONH
  3. 8. How easily a liquid evaporates (turns to a gas).
  4. 10. Small molecules that react together to make long chain molecules (polymers)
  5. 12. A family of organic compounds formed by the reaction of an alcohol with a carboxylic acid in the presence of concentrated H2SO4.
  6. 13. A class of chemical elements which have a characteristic lustrous appearance and are good conductors of heat and electricity.
  7. 15. A naturally occurring mineral from which a metal can be extracted.
  8. 16. A series of biochemical reactions brought about by the enzymes in yeast or, more generally, by micro-organisms.
  9. 17. the ability of inner shells of electrons to reduce the effective nuclear charge on electrons in the outer shell.
  10. 22. A mixture of hydrocarbon compounds that boil at similar temperatures and have similar chain lengths.
  11. 24. Fullerene of hexagonally arranged carbon atoms like a single layer of graphite bent into the form of a cylinder
  12. 26. A substance (such as metal) that can easily be bent or hammered into different shapes.
  13. 27. A regularly repeating arrangement of atoms, molecules or ions in three dimensions throughout the whole crystal structure
  14. 28. Atoms of the same element with different mass numbers
  15. 29. the removal of oxygen, addition of electrons or decrease in oxidation number of a substance; in organic chemistry it is the removal of oxygen atoms from a molecule and/or the addition of hydrogen atoms to a molecule.
  16. 30. Polymer whose monomers are bonded to each other via the ester link. COO
Down
  1. 1. A vertical column of the Periodic Table containing elements with the same number of electrons in their outer shells.
  2. 2. The elements found in Group VII of the Periodic Table.
  3. 4. The liquid or solution which passes through a filter during filtration.
  4. 6. How easily a liquid flows
  5. 7. The amount of substance which contains 6 × 1023 atoms, ions or molecules.
  6. 9. The number of possible arrangements of the particles and their energy in a given system
  7. 11. the design and production of machines that are so small we measure them in nanometres
  8. 14. A molecule or ion with one or more lone pairs of electrons which form dative covalent bonds to a central transition element atom or ion
  9. 18. A process occurring at the surface of a liquid involving the change of state of a liquid into a gas at a temperature below the boiling point.
  10. 19. The process whereby an atom gains or loses an electron(s) to become an ion.
  11. 20. condensation polymer formed from amino acids and joined together by peptide bonds.
  12. 21. a compound consisting of a nitrogenous base, a sugar (ribose or deoxyribose) and a phosphate group.
  13. 23. Anything which occupies space and has a mass.
  14. 25. A substance which cannot be further divided into simpler substances by chemical methods.