CH 301 Chapter 2 dot worksheet

CH 301 Chapter 2 dot worksheet - Dot structure worksheet...

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Dot structure worksheet For covalent compounds: 2. Count the number of valence electrons in each atom (#valence electrons = group #) 3. Draw ‘skeleton’ structure: find center atom, arrange others around it. 4. Draw one single bond from the center atom to each surrounding one. 5. Count the number of electrons in single bonds (TWO for each) 6. Fill in remaining electrons - try for OCTET around all EXCEPT H. 7. Use lone pairs of electrons to make double or triple bonds to satisfy condition 6. 8. Make the middle atom ‘violate’ the octet rule if necessary
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Dot structures: Diatomic Gases Draw dot structures for the following: Cl 2 Cl Cl O 2 O O N 2 N N __ bonds __ bonding electrons __ non bonding electrons __ lone pairs __ bonds __ bonding electrons __ non bonding electrons __ lone pairs __ bonds __ bonding electrons __ non bonding electrons __ lone pairs total valence electrons: total valence electrons: total valence electrons:
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Each shared pair of electrons is a bond shown as a dash “ BOND ORDER: number of bonds between two atoms THE HIGHER THE ORDER OF THE BOND: THE STRONGER THE BOND -and- THE SHORTER THE BOND BONDS AND BOND ORDER
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Dot structures: Covalent Compounds Try ammonia: NH 3 Total # of valence electrons =
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This note was uploaded on 09/02/2009 for the course CHE 301 taught by Professor Fatimafakhreddine during the Spring '08 term at University of Texas.

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CH 301 Chapter 2 dot worksheet - Dot structure worksheet...

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