<p>Honors Chem Bonding Activity NAME:______</p><p>Using the power points on bonding on the eboard or the internet sites below, answer the questions on bonding. http://www.chem4kids.com/files/atom_bonds.html http://www.chemguide.co.uk/atoms/bondingmenu.html#top http://enstrophy.colorado.edu/~mohseni/ASEN5519Spring2004/TypesOfChemicalBonds1.h tml http://library.thinkquest.org/3659/structures/ Under Chemical Bonding: Introduction - follow the links for ionic compounds, covalent compounds, and electronegativity and polarity of bonds.</p><p>Metallic Bonding http://dl.clackamas.cc.or.us/ch104-08/metallic.htm http://www.chemguide.co.uk/atoms/bonding/metallic.html Read and then choose explore the properties of metals.</p><p>Ionic Bonding http://www.tutorvista.com/content/chemistry/chemistry-i/chemical-bonding/ionic- compounds.php</p><p>1. Fill in the table </p><p>Type of Bond Elements involved How formed TWO Physical properties Covalent</p><p>Ionic</p><p>Metallic</p><p>2. Based on the electronegative values on the periodic table, determine the EN difference as well as the type of bond for the following: a. HBr</p><p> b. KCl</p><p> c. CO 3. Explain the difference in electrical properties of the substances below </p><p>Ionic</p><p>Covalent</p><p>Metallic</p><p>4. Compare and explain the differences in melting points of ionic and covalent compounds. </p><p>5. What are the two types of covalent compounds and explain the difference </p><p>MULTIPLE CHOICE: </p><p>DIRECTIONS: Write the letter preceding the word or expression that best completes the statement.</p><p>1. In a chemical bond, the link between atoms results from the attraction between electrons and (a) Lewis structures; (b) nuclei; (c) van der Waals forces; (d) isotopes</p><p>2. A covalent bond consists of (a) shared electron; (b) a shared electron pair; (c) two electrovalent electrons; (d) an octet of electrons</p><p>3. If two covalently bonded atoms are identical, the bond is identified as (a) nonpolar covalent; (b) polar covalent; (c) nonionic; (d) coordinate covalent</p><p>4. A covalent bond in which there is unequal attraction for the shared electrons is (a) nonpolar; (b) polar; (c) ionic; (d) dipolar</p><p>5. Atoms with a strong attraction for electrons they share with another atom exhibit (a) zero electronegativity; (b) low electronegativity; (c) high electronegativity; (d) Lewis electronegativity.</p><p>6. Bonds with between 5% and 50% ionic character are considered to be (a) ionic; (b) pure covalent; (c) polar covalent; (d) nonpolar covalent.</p><p>7. A nonpolar covalent bond is likely to exist between (a) a metal and a nonmetal; (b) two ions; (c) two identical atoms; (d) an atom and an ion. 8. The greater the electronegativity difference between two bonded atoms, the greater the percentage of (a) ionic character; (b) metallic character; (c) covalent character; (d) electron sharing.</p><p>9. In which of these compounds is the bond between the atoms NOT a nonpolar bond? (a) Cl2; (b) H2; (c) HCl; (d) O2.</p><p>DIRECTIONS: Complete the following statements, forming accurate sentences.</p><p>10. The electrons involved in the formation of a chemical bond are called ______</p><p>11. A chemical bond resulting from electrostatic attraction between positive and negative ions is called a(n) </p><p>______</p><p>12. If the electrons involved in bonding spend most of the time close to one atom rather than the other, the bond is </p><p>______</p>