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Bonding and Nomenclature

Bonding and Nomenclature. Term: _______________________ 1 2 3 4. Define (in your own words): ____________________________________________________________________________________________________________________________________________________________________________ Draw:. covalent bond :.

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Bonding and Nomenclature

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  1. Bonding and Nomenclature

  2. Term: _______________________ 1 2 3 4 Define (in your own words): ____________________________________________________________________________________________________________________________________________________________________________ Draw:

  3. covalent bond: • the attraction of two atoms for a shared pair of electrons.

  4. covalent bond: 1 2 3 4 Understanding Level • (define in your own words) • Draw your picture:

  5. ion: • an atom or group of combined atoms that has a charge because of the loss or gain of electrons.

  6. ion: 1 2 3 4 Understanding Level • (define in your own words) • Draw your picture:

  7. ionic bond: • the strong attractive force between ions of opposite charge – electrons are transferred. Usually occurs between a metal and a nonmetal.

  8. ionic bond: 1 2 3 4 Understanding Level • (define in your own words) • Draw your picture:

  9. polyatomic ion: • an ion that consists of two or more different elements .

  10. polyatomic ion: 1 2 3 4 Understanding Level • (define in your own words) • Draw your picture:

  11. valence electron: • an electron in the outermost shell of an atom.

  12. valence electron: 1 2 3 4 Understanding Level • (define in your own words) • Draw your picture:

  13. Demo Mg + HCl  MgCl2 + H2 Cl – Mg 2+ = MgCl2 Cl –

  14. Al 3+ SO4 2- .According to this information, what is the chemical formula for aluminum sulfate? (Apr'04 11th - 23)   A. AlSO4 B. Al2(SO4)3 C. Al3(SO4)2 D. Al6SO4

  15. B

  16. Calcium (Ca2+) + Chloride (Cl-)  Calcium chloride The chemical formula for calcium chloride is _____. (Apr'04 11th - 38) A. Ca2Cl B. CaCl C. CaCl2 D. Ca2Cl3

  17. C

  18. Alpha particles are one type of radioactivity. These particles have a nucleus of two protons and two neutrons but have no orbital electrons. Based on this information, it can be inferred that alpha particles are positive ions of the element _____. (Apr'06 11th - 42)   A. actinium B. curium C. radium D. helium

  19. D

  20. A certain atom has a nucleus containing six protons and eight neutrons and has six electrons orbiting the nucleus. This atom is a form of the element _____. (Apr'06 11th - 53)   A. silicon B. carbon C. magnesium D. calcium

  21. B

  22. Silver bromide is a type of halide. Halogens or elements from group 17 in the periodic table are necessary to form halide compounds. Which of the following is the correct formula for silver bromide? (cloned)   A. SiBr4 B. Si7Br C. Ag7Br D. AgBr

  23. D

  24. According to the periodic table, which of these elements will form an ion with a –2 charge? (Jul'06 11th -34) A. S B. Mg C. F D. Rb

  25. A

  26. Calcium ions play an important role in the function of neurons in the brain. Elements that are chemically similar to calcium can interfere with the function of neurons. Which of the following is most likely to imitate calcium’s role in the function of neurons? (Oct'05 11th -24)   A. Sodium B. Potassium C. Strontium D. Rubidium

  27. C

  28. . Ca 2+ CO3 2- Limestone is a sedimentary rock consisting mostly of calcium carbonate. According to the information above, what is the correct formula for calcium carbonate? (cloned) A. Ca2(CO3)2 B. CaCO3 C. Ca3CO2 D. Ca2CO3

  29. B

  30. .When ammonium nitrate is heated to a high temperature, it explosively breaks down into dinitrogen monoxide and water. What is the formula for dinitrogen monoxide? (cloned) A. NO B. N2O C. NO2 D. N2O5

  31. B

  32. According to the periodic table, which element most readily accepts electrons? (Spr'03 11th -23) A. Fluorine B. Nitrogen C. Arsenic D. Aluminum

  33. A

  34. . The bonding characteristics of oxygen are most similar to the bonding characteristics of _____. (Apr'06 11th -9 and Fall'05 11th -37) A. hydrogen B. silicon C. helium D. sulfur

  35. D

  36. Which of these elements is most likely to donate one electron? (Apr'06 11th - 38) A. Be B. Cs C. Rn D. He

  37. B

  38. .The model above shows how an unidentified element, X, forms covalent bonds with oxygen. In which group on the periodic table does Element X most likely belong? A. Group 6 B. Group 12 C. Group 14 D. Group 18

  39. C

  40. In which model of the periodic table does the shaded area show the location of elements that require the least energy to lose one electron? (Feb'06 11th - 21) A C D B

  41. A

  42. .The ionic compounds that result from combining Group 2 and Group 16 elements have a 1:1 ratio because _____. (Feb'06 11th -45) A. Group 2 elements are electrically neutral B. Group 2 elements have two valence electrons C. Group 2 elements contain neutrons in the nucleus D. Group 2 contains more elements than other groups

  43. B

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