6 Solved Questions on General Chemistry - Quiz 6 | CHEM 151, Quizzes of Chemistry

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Chapters 6&7 Quiz D Name 2 pts 1. Plank’s Quantum Theory changed the way scientists describe energy changes — especially those on an atomic level. Explain what this statement means. Cerey C8 Oy Woe adertle\ chunks / thy Ube Shr ade) Array thes Quertun 5 2 pts 2. Calculate the frequency of ultraviolet radiation with a wavelength of 100.0 nm. Ce Aye Set a t00.b = C Gea SZountor. <2 I pts 3. List the ma in order 0 Stdscresing snelallic a character: C, Cs, O, Na. C SS No, ¢ . ¢ ‘ (smallest) 2 pts 4, Calculate the wavelength ofa beam of neutrons traveling at 4.00% 10° cm/s. The mass of a neutron is 1.675 x 1077 “kg. a 1 a oe “ = 4B AON Qe a 14716 uemp* AR IG q ay 2 2pt 5. Complete the following for the n = 4 energy level: ¢ a) the maximum number of electrons Bee “€ % =) \ Y b) the maximum number of p electrons yeery bb c) the energy of an clectron in this level compared to one in n = 2 (greater, less or equal) au einty 4 d) the number of orbitals & ie 4 1e Y o Ib Ipt 6. Comparing microwaves and ultraviolet radiation: a) The one with the photons of higher energy is uve oy b) the one with photons of longer wavelength is LA IAL