August 2010 Chemistry Regents #54-56
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Base your answers to questions 54 through 56 on the elements in Group 2 on the Periodic Table. 54 State the general trend in first ionization energy for the elements in Group 2 as these elements are considered in order from top to bottom in the group. [ 1]Highlight box for Answer
55 State, in terms of the number of electron shells, why the radius of a strontium atom in the ground state is larger than the radius of a magnesium atom in the ground state. [ 1]Highlight box for Answer
56 Explain, in terms of atomic structure, why the elements in Group 2 have similar chemical properties. [ 1]Highlight box for Answer
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