final_practice - 1 Naming compounds Provide the systematic...

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1 Naming compounds Provide the systematic name of the following compounds: 1. Fe 2 (SO 4 ) 3 : 2. Cl 2 O 7 : 3. HNO 2 : 2 Light and matter a Find the wavelength of an electron with a velocity of 6.87 × 10 6 m/s. Answer: b An instrument detects a light packet consisting of 2580 photons of light with a wavelength of 122 nm. What is the total energy of the light packet that is detected? Answer: c One photon of the light described in part (b) is absorbed by a hydrogen atom in the ground state, exciting an electron. To which energy level is it excited? 1
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Periodicity a Rank the following compounds from smallest to largest size: F - , Be 2+ , Li + Answer: b Rank the following atoms from smallest to largest ionization energy: Sn, C, Ge Answer: c Rank the metals M = Cs, Li and K from smallest to largest reactivity with H 2 : 2 M ( s ) + H 2 ( g ) 2 MH ( s ) Answer: 4 Lewis Structures and Formal Charge For each of the following compounds, draw the most stable Lewis structure and indicate the formal charge on each atom. a BF
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This note was uploaded on 02/25/2012 for the course CHEM 1A 40030 taught by Professor Borovick during the Fall '10 term at UC Irvine.

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final_practice - 1 Naming compounds Provide the systematic...

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