Instructor: Doug Ohlendorf Paper title: Crystallographic and single-crystal spectral analysis of the peroxidase ferryl intermediate. Meharenna et al (2010) Biochemistry 49: 2984-6. Type your answers into the worksheet prior to the second class, and then edit a printed copy during the discussion. No loose sheets. Print double-sided or use a metal staple. Do NOT fold the corners. 1. What is the reaction catalyzed by CCP? Fe(III)-> Fe(IV)O/R•þ 2. What is (are) the cofactors
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Activity 4a: The nucleus, isotopes, and atomic mass 4.2, 4.3, 4.4 Activity 4b: The electrons and the shell model 4.2, 4.5-4.8 Unit 5: An introduction to ionic, covalent, and metallic bonding Activity 5: Conductivity and models of chemical bonding 3.4, 6.2-6.5 Unit 6: Exploring covalent compounds (molecules) Activity 6a: Molecules and lewis dot structures 6.5 Activity 6b: VSEPR theory and molecular shape 6.6 Activity 6c: Polarity, intermolecular forces
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covalent, metallic, and Van der Waals bonding. An ionic bond links different types of atoms through the attraction between positive and negative charges, similar to the way magnets work. While these bonds are generally not conductive many are soluble and will conduct electricity once combined with water. Covalent bonds are made when atoms share their ‘valence’ electrons. Valence electrons occupy the third orbit of an atom. A metallic bond is created among metallic atoms when some of the valence
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if you have 4 single bonds around the central atom? Page Ref: 10.7 14) What is the molecular geometry of carbon dioxide, CO2? Page Ref: 10.7 15) What is the molecular geometry of CCl4? Page Ref: 10.7 16) What is the molecular geometry of SCl2? Page Ref: 10.7 17) The elements with the highest electronegativity values tend to be found in the: Page Ref: 10.8 18) Which term matches the definition: The ability of an element to attract electrons within a covalent bond? Page Ref: 10.8 19)
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covalent bond | d. | single covalent bond | b. | double covalent bond | e. | polar bond | c. | structural formula | f. | hydrogen bond | ____ 1. a depiction of the arrangement of atoms in molecules and polyatomic ions ____ 2. a covalent bond in which only one pair of electrons is shared ____ 3. a covalent bond in which two pairs of electrons are shared ____ 4. a covalent bond in which the shared electron pair comes from only one of the atoms ____ 5. a covalent bond between
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transfer of charged particles (electrons) is responsible for all chemical bonding. Physics is used to describe the physical characteristics of the new material, and physics sets the standards (of strength, density, malleability, etc.) against which the material under development is tested. The principles of chemistry come into play when choosing the elements and compounds used to develop the new material, based on their various chemical properties. 2. How do conductors and insulators differ in their
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together by a chemical bond. There are two types of chemical bond: ionic and covalent bond. An ionic or electrovalent bond results from the electrostatic attraction between metal and non-metal atoms by the transfer of electrons. _____________________________________________________________________________________ Introduction The atoms in a compound are held together by a chemical bond. There are two types of chemical bond: ionic and covalent bond. An ionic or electrovalent bond results from
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Back Print Name Class Date Assessment Chapter Test B Chapter: Chemical Bonding PART I On the line at the left of each statement, write the letter of the choice that best completes the statement or best answers the question. ______ 1. An ionic bond results from electrical attraction between a. cations and anions. b. atoms. c. dipoles. d. orbital. ______ 2. A nonpolar covalent bond is unlikely when two atoms of different elements join because the atoms are likely to differ in a. density
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Topic Scopes TOPIC 2 Chemical Bonding • • • • • Electrovalent Covalent bonding Co-ordinate/dative covalent bonding Metallic bonding Intermolecular bonding (including hydrogen bonding, Van der Waals) • Electronegativity 2 Chemical Bond Topic Scopes Bond energies, bond lengths & bond polarities Drawing Lewis structure and calculate the formal charge • Chemical bond the force of attraction that binds atoms together in a chemical compound • When atoms react
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Mixtures and Compounds XXXXXXXX XXXXXXX XXXXXXXX SCI-110 9 May 2011 Mixtures and Compounds Describe the difference between a mixture and a compound. Chemical compounds are in every known object or substance. They are composed of two elements that combine with each other. They can also be more than two elements. Compounds are one of three forms of matter, and the other two are element mixtures. Compounds have a definite composition, as water will always consist of 88.9% oxygen and
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