DAT Domain 1.2: Survey of the Natural Sciences, General Chemistry Welcome to your DAT Domain 1.2: Survey of the Natural Sciences, General Chemistry 1. DAT: Survey of the Natural Sciences, General Chemistry Which type of crystal structure is characterized by a face-centered cubic lattice of anions with cations in half of the cubic holes? Sodium chloride Zinc blende Fluorite Cesium chloride None 2. DAT: Survey of the Natural Sciences, General Chemistry What is the expected hybridization of the central atom in a molecule of XeF4? sp sp2 sp3 sp3d2 None 3. DAT: Survey of the Natural Sciences, General Chemistry Which term correctly describes the entropy change of the universe during an exergonic reaction at constant temperature? Decreases Increases Remains constant Approaches zero None 4. DAT: Survey of the Natural Sciences, General Chemistry When considering a galvanic cell involving Cu(s) and Ag+(aq), what happens at the cathode? Cu(s) is oxidized Cu2+ is reduced Ag+ is reduced Ag(s) is oxidized None 5. DAT: Survey of the Natural Sciences, General Chemistry What type of molecular orbital is formed by the head-to-head overlap of two orbitals? Sigma Pi Delta Phi None 6. DAT: Survey of the Natural Sciences, General Chemistry Which equation represents the third ionization energy of magnesium? Mg(g) ? Mg+(g) + e- Mg+(g) ? Mg2+(g) + e- Mg2+(g) ? Mg3+(g) + e- Mg3+(g) ? Mg4+(g) + e- None 7. DAT: Survey of the Natural Sciences, General Chemistry Which phase change corresponds to the absorption of heat without a change in temperature? Deposition Condensation Sublimation Melting None 8. DAT: Survey of the Natural Sciences, General Chemistry Which property decreases down a group in the periodic table? Atomic radius Electronegativity Metallic character Ionization energy None 9. DAT: Survey of the Natural Sciences, General Chemistry What is the primary intermolecular force in a sample of I2(s)? Hydrogen bonding Dipole-dipole interactions London dispersion forces Ionic bonding None 10. DAT: Survey of the Natural Sciences, General Chemistry Which reaction mechanism is typically involved in the formation of an ester from a carboxylic acid and an alcohol? E1 E2 SN1 SN2 None 1 out of 10 Time is Up! Time's up
