Salters B Elements from the Sea Quiz Test on the unit 'Elements from the Sea' 0.0 / 5 ? ChemistrySalters B Elements from the SeaASOCR Created by: jessCreated on: 09-03-14 18:14 What is the lattice structure of sodium chloride said to be? simple cubic 1 of 15 What is the first ionisation enthalpy? The energy needed to remove one electron from each of one mole of isolated gaseous atoms of an element. 2 of 15 What is the fourth ionisation enthalpy? X3+(g) --> X4+(g) + e- 3 of 15 In ions, the sum of the oxidation states is equal to... the charge on the ion 4 of 15 If an oxidation state decreases, the compound is... reduced 5 of 15 The intermolecular bonds for halogens are... instantaneous dipole-induced dipole bonds 6 of 15 How are chlorine and bromine transported? chlorine-as a liquid by rail or road tanker. bromine-in lead-lined steel tanks supported in strong metal frames 7 of 15 How many orbitals and electrons can a d sub-shell hold? 5 orbitals, 10 electrons 8 of 15 How can you define polar molecules? Only molecules with a permanent dipole 9 of 15 Define electronegativity The degree to which an atom of an element attracts electrons 10 of 15 What are the conditions of Homolytic fission? either gas phase with high temperatures OR presence of UV radiation 11 of 15 What is a nucleophile? They have one of more lone pairs of electrons that they can donate to form new bonds. 12 of 15 What are the advantages of a batch process? Cost effective for small quantities, low capital costs for plant, different products in the same vessel 13 of 15 What are raw materials? The materials that feedstocks are prepared from. 14 of 15 Variable costs depend on... The amount of product manufactured. 15 of 15
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