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1 Pasadena onors Chemistry Name 10 Bonding Period Date State the type of bond that will form from each pair of elements: Type S T A T I O N 1 B O N D T Y P E S Mg Ionic Bond S O Polar Covalent Bond Ag Cu Metallic Bond Cl Br Polar Covalent Bond K Na Metallic Bond Cl Polar Covalent Bond O Nonpolar Covalent Bond Li I Ionic Bond Type Write the type of bond that matches each description. Nonpolar Covalent Bond Electrons are shared equally between two atoms. Ionic Bond Electrons are transferred, the two oppositely charged atoms attract. Metallic Bond Electrons are delocalized and move from atom to atom. Polar Covalent Bond Electrons are shared unequally between two atoms. Draw the Lewis structures of the following species: S 2- S T A T I O N 2 L E W I S S Y M B O L S KBr S 2- K + - Br Mg 2+ P Mg 2+ P 2O Cl 2 3+ O Cl Cl 3+
2 S T A T I O N 3 M O R E L E W I S S Y M B O L S Draw the Lewis structures of the following molecules and name their shapes. N 3 SO 2 CO 2 N Trigonal pyramidal O S O O S O O C O Linear B 3 NO 2 O 2 B Trigonal Planar - - O N O O N O O S T A T I O N 4 P O L A R I T Y Determine the shape of the molecule and decide whether each compound is polar or nonpolar. P 3 C 4 B 3 P C Trigonal Pyramidal Tetrahedral B Trigonal Planar SO 2 O S O O S O Polar CO 2 O C O Linear SCl 2 S Cl Cl Polar
3 S T A T I O N 5 I M s A N D A T T R A C T I O N S Match the statement with the Inter-Particle orces A Dipole-Dipole Interactions B. Covalent bonds C. ydrogen-bonding D. Ionic Bonds E. Metallic Bonds. London Dispersion orces 1. Is used to explain why BP of Xe > Kr > Ar > Ne > e B 2. Is present in C (graphite) and C (diamond) E 3. Is used to explain why Cu is a good conductor D 4. Is used to explain why NaCl(l) is a good conductor A 5. Is used to explain why ICl has a higher BP then Br 2 C 6. Is used to explain why boiling point of C 3O is higher than C 4. E 7. A lattice of positive ions in a sea of delocalized electrons A 8. Positive ends of molecules attract negative ends of other molecules D 9. Lattice of alternating positively and negatively charged particles C 10. ydrogen atoms tethered between small, highly electronegative atoms N, O, and. 11. Polarized electron clouds induce dipoles in their neighboring atoms ere are the attractive forces in order from weakest to strongest: London Dipole-Dipole ydrogen- Dispersion Metallic Bonding Interactions Bonding orces Indicate the strongest IM in each of the following: STAT I O N 6 M O R E I M s Ionic Bonding Covalent Bonding SO 2 Dipole-Dipole Interaction N 3 ydrogen Bonding Xe London Dispersion orces CO 2 London Dispersion orces KO Ionic Bonds SiO 2 Covalent Bonds C 3O ydrogen Bonding K 2S Ionic Bonds Cl Dipole-Dipole Interactions Na Metallic Bonds 2S London Dispersion orces C 4 London Dispersion orces List the three examples of covalent network solids: C diamond C graphite SiO 2, Silica
4 S T A T I O N 7 S T R E N G T S O A T T R A C T I O N S In each case, circle the species with the STRONGER inter-particle forces. Cl 2 or Br2 Both have LD, Br 2 has more electrons NaCl or Cl NaCl has ionic bonds, Cl has DDI KBr or Li Both have ionic bonds, Li + and are smaller 2 S or Cl 2S has LD, Cl has DDI C38 or C 4 Both have LD, C 3 8 has more electrons 2O or 2 S 2O has hydrogen bonding, 2S has LD C3O or C 4 C 3O has hydrogen bonding, C 4 has LD Cl or has hydrogen bonding, Cl has DDI S T A T I O N 8 E X P L A I N I N G T R E N D S This graph shows the BP s of analogous compounds using elements from periods 2, 3, 4, and 5. Explain why the BP of Xe > Kr > Ar > Ne: l have LD, but the species with more electrons has a more polarizable electron cloud, resulting in stronger LDs. Explain why the BP of 2Te > 2Se > 2S: l have LD, but the species with more electrons has a more polarizable electron cloud, resulting in stronger LDs. Why is the BP of 2O > the others in its group? 2O has hydrogen bonding, while the rest have LD.
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