(a) Does metallic character increase, decrease, or remain unchanged as one goes from left to right across a row of the periodic table? (b) Does metallic character increase, decrease, or remain unchanged as one goes down a column of the periodic table? (c) Are the periodic trends in (a) and (b) the same as or different from those for first ionization energy?

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Jean KeelingLv2

23 May 2020

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6) (5 pts) Periodic trends Describe the following trends in the Periodic Table. Be precise in your answer. E.g.: âacrossâ can mean left to right or right to left. Make sure that it is clear what you mean a) How does the atomic diameter change across a period from left to right b) How does the atomic diameter change down a group? c) How does the diameter of an ion change across a period from left to right? d) What are the trends for changes in ionization energy, down a group and across a period? e) What are the trends for changes in metallic behavior, down a group and across a period?

(a). What is the trend in electronegativity going from left to right in a row of the periodic table? (b) How do electronegativity values generally vary going down a column in the periodic table? (c) How do periodic trends in electronegativity relate to those for ionization energy and electron affinity?