Chemistry Key Words 1 0.0 / 5 ? ChemistryDefinitionsA2/A-levelOCR Created by: BitziBooCreated on: 15-09-18 11:25 97243110685 Across 1. Compound containing only 2 elements (6) 5. loss of electrons/increase in oxidation number (9) 6. time taken for concentration of a reactant to half (4, 4) 7. atoms of the same element with different numbers of neutrons (8) 8. volume added from the burette when the volume of one solution has exactly reacted with the other solution (5) Down 2. group of orbitals of the same type within a shell (3, 5) 3. First stage in a radical reaction - covalent bond is broken by homolytic fission (10) 4. Contains a positively charged carbon atom (11) 9. outer shell pair of electrons not involved in bonding (4, 4) 10. Containing no water moldecules (9)
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