Unit 1 Module 1 0.0 / 5 ? ChemistryAcids, bases and saltsASOCR Created by: Batman&RobinCreated on: 21-04-15 21:03 62105934178 Across 1. A -- of a known concentration. Normally used in titrations to determine unknown information about another subtance (8, 8) 5. Species that is a proton acceptor (4) 7. Amount of any substance containing as many particles as there are carbon atoms in exactly 12g of the C-12 isotope (4) 8. Volume per mole of gas. Units of molar volume is dm cubed mol-1. At room temp and presure, the -- -- is approx. 24.0 dm cubed mol-1 (5, 6) Down 2. Atoms of the same elements with different numbers of neutrons (8) 3. Any chemical compound formed from an acid when a H+ ion from the acid has been replaced by a metal (or a positive) ion (4) 4. Positively and negatively charged atom or (covaletly bonded) group of atoms (a molecular --) (3) 6. The actual number of atoms of each elements in a molecule (8, 7) 9. Substance that contains no water molecules (9) 10. Species that is a proton donor (4)
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