(a) Explain the following trend in lattice energy: BeH2, 3205kJ/mol; MgH2, 2791kJ/mol ; CaH2, 2410 kJ/mol ;SrH2,...

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(a) Explain the following trend in lattice energy: BeH2, 3205kJ/mol; MgH2, 2791kJ/mol ; CaH2, 2410 kJ/mol ;SrH2, 2250kJ/mol; BaH2, 2121kJ/mol.
(b) The lattice energy of ZnH2 is 2870kJ/mol. Based on the data given in part (a), the radius of the ion Zn2+ is expected to be closest to that of which group 2A element?
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Chemistry The Central Science

ISBN: 978-0321696724

12th edition

Authors: Theodore Brown, Eugene LeMay, Bruce Bursten, Catherine Murphy, Patrick Woodward

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