Calculate the wavelength of a photon of light emitted when an electron travels from n=5 to n=2 orbital in a hydrogen atom. A) 3.88 x 10-6 m B) 155 nm C) 434nm D) 542 nm E) 812nm

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Q: Which of the following species would not be expected to have a tetrahedral shape?

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Q: (Q93) Which of the following best explains why the bond length of a H-H bond is 74 pm? O A) This is…

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Q: a. C= N in hydrogen cyanide b. N =O in nitrogen dioxide c. P-S in P(SCN)3(s)

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Q: For the molecule aluminum trichloride, AC13, the Cl-Al-Cl bond angle is 120°. If the Al-Cl bond…

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Q: what factor or factors determine the bond length or bond angle and why? How can computer modelling…

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Q: Which of the following is trigonal planar?   a.  boron trifluoride, BF3   b.  methyl anion,…

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Q: Shown below is the structure of cyclohexane, C6H12.  Every carbon atom in this molecule has a ____…

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Q: The number of lone  electron pairs in the NO2- ion is_ A) 4 B) 5 C) 6 D) 7 E) 8

A:

Q: 3. Use VSEPR theory to predict the arrangement of electron groups, names of the molecular geometry,…

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