Activity - Periodic Trends in Atomic Properties

Activity - Periodic Trends in Atomic Properties - Activity:...

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1 Activity: Periodic Trends in Atomic Properties Many properties of atoms have a repeating pattern when plotted with respect to atomic number. The similarities are due to the repeating pattern of electron configurations involving s, p, d, and f orbitals. The experimentally observed periodic trends in fact provide evidence for the orbital and shell structure of atoms and the meaningful arrangement of elements in the Periodic Table. Your ability to recognize the properties of the elements from their positions in the Periodic Table will prove useful in handling chemical compounds safely, developing new materials, finding new applications of known materials, or using chemistry in medical applications. Learning Objectives Develop relationships between position in the Periodic Table and electron configurations with atomic radius, ionization energy, and electron affinity. After completing this activity, you will be able to: o Use electron configurations to account for the relative sizes, ionization energies, and electron affinities of different atoms. o Order elements by atomic radius, ionization energy, and electron affinity. Information Properties such as the size of an atom (atomic radius), the energy required to remove an electron from an atom (ionization energy), and the energy required to remove an electron from a negative atomic ion (electron affinity) can be
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This note was uploaded on 10/11/2009 for the course CHE 102 taught by Professor Maggie during the Fall '09 term at Wisc Whitewater.

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Activity - Periodic Trends in Atomic Properties - Activity:...

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