Lesson Questionnaire - A sample and practice quiz PDF

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A sample and practice quiz...

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1. Which elements have the highest ionization energies? a. halogens b. alkali metals c. noble gases d. alkaline earth metals

8. A bond that is principally ionic will form between a. Magnesium and chlorine b. Silicon and phosphorus c. Selenium and oxygen d. Oxygen and nitrogen

2. Metals generally form ions by a. Gaining electrons, forming positive ions b. Losing electrons, forming positive ions c. Gaining electrons, forming negative ions d. Losing electrons, forming negative ions

9. A polar covalent bond will form between which two atoms? a. Beryllium and fluorine b. Hydrogen and chlorine c. Sodium and oxygen d. Fluorine and fluorine

3. How many valence electrons are present in an atom of bromine in the ground state and how many does bromine need to gain to have the same electron configuration as a noble gas? a. 1, 7 b. 2, 6 c. 3, 5 d. 7, 1 4. How many valence electrons are present in an atom of aluminum in the ground state and what charge will it form when it loses those electrons? a. 3, +3 b. 3, -3 c. 5, +3 d. 1, +1 e. 13, +3 5. Which element forms an ion that is larger than its atom? a. Lithium b. Calcium c. Chromium d. Fluorine 6. A Cl-1 ion has an electron configuration similar to that of a. Neon b. Argon c. Krypton d. Xenon 7. Calcium phosphide is Ca 3P2. What is the empirical formula of barium nitride? a. BaN b. Ba3N c. Ba2N3 d. Ba3N2

10. What is the molecular geometry for CH2O? a. linear b. trigonal planar c. tetrahedral d. trigonal pyramidal e. bent 11. What is the molecular geometry for NF3? a. linear b. trigonal planar c. tetrahedral d. trigonal pyramidal e. bent 12. Is the molecule NF3 polar or nonpolar? a. Polar, because it has polar bonds arranged symmetrically around the N. b. Polar, because it has polar bonds arranged asymmetrically around the N. c. Nonpolar, because it has polar bonds arranged symmetrically around the N. 13. What is the molecular geometry for CF4? a. linear b. trigonal planar c. tetrahedral d. trigonal pyramidal e. bent 14. Is the molecule CF4 polar or nonpolar? a. Polar, because it has polar bonds arranged symmetrically around the C. b. Polar, because it has polar bonds arranged asymmetrically around the C. c. Nonpolar, because it has polar bonds arranged symmetrically around the C. 15. What is the molecular geometry for CO 2? a. linear b. trigonal planar c. tetrahedral d. trigonal pyramidal e. bent...