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Unformatted text preview: Energy r=0, E=0 2s 2p 2s 2p CH101/Ison Summer 2 Ch3 Worksheet Name: _________, ________ last, first Practice problems: Consider the periodic trends of the elements in the following groups and answer the questions below. a) Na, K, Ar b) Al, C, B c) C, Ge, Sn d) Cs, Cl, O 1. Order by increasing atomic radius 2. Order by decreasing ionization energy 3. Order by increasing electronegativity 4. What is the most electronegative atom within each group? 5. Which atom within each group has the highest ionization energy? 6. Why dont noble gases go along with the periodic trend. 7. Highly electronegative atoms will likely form ANIONS/CATIONS. 8. Atoms with low IE will likely form ANIONS/CATIONS. Suggested Ch3 practice problems: 1, 7, 9, 11, 13...
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