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Chapt 5 Study Guide - 7 Translate the electronic...

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Study Sheet for Chapter 5 - Atomic Structure and Periodic Table The student must be able to 1. Discuss the electromagnetic spectrum; list the various regions of the electromagnetic spectrum, such as X rays, ultraviolet, visible, etc. See Figure 5.3. 2. Convert between frequency and wavelength, i.e., v = c/ λ where v is the frequency in sec -1 (or Hz), λ is the wavelength is meters, and c is the velocity of light in meters/sec. 3. Convert between energy, wavelength, and frequency, i.e., Δ E = hv = hc/ λ , where h is known as Planck’s constant and has a value of 6.626 X 10 -34 Js and the other quantities are as defined in #2. 4. Clearly describe the differences between continuous and line spectra. (plural of spectrum) 5. For a simple atom, be able to describe its Bohr model. 6. Write the electronic configuration of elements 1-36; note that exceptions to the normal aufbau principle occur with elements number 24 and 29.
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Unformatted text preview: 7. Translate the electronic configurations from #6 into orbital diagrams for specific atoms. You may show closed shells as the corresponding Noble gas configuration; for example, Cl as [Ne]3s 2 3p 5 . 8. Relate the electronic configurations of atoms from #6 to the location of that element on the Periodic Chart, and note the similarity of number of valence electrons for the elements of the same group (column). 9. Describe the periodic trends of each of the following quantities: ionization energy, electron affinity and atomic radius Important words/phrases: electromagnetic radiation, wavelength, frequency, Bohr atom, line spectra, energy levels, atomic orbitals (s,p,d,f), aufbau principle, orbital diagrams, valence electrons, electronic configurations, ionization energy, electron affinity, atomic radius, quantum numbers, electronegativity...
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