Transcript Chapter 4

Chapter 4

1.What did Adam, Stanley, and Theresa Janus take that ultimately poisoned them?

1. Advil® 2. Extra strength Tylenol® 3. Aspirin 4. Ibuprofen

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2.What is the name of the column in the periodic table that includes H, Li, and K?

1. the main group metals 2. the transition metals 3. the alkaline earth metals 4. the alkali metals

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3.The alkaline earth metals include which of the following?

1. Mg, Ca, and Sr 2. Mg, Cu, and Sr 3. Mn, Ca, and Sr 4. Mn, Cu, and Sn

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4.Silver and gold are examples of what type of element?

1. main group non metals 2. representative metals 3. main group metals 4. transition metals

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5.What type of elements are He, Ne, and Ar?

1. main group non metals 2. noble gases 3. main group metalloids 4. noble metals

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6.Cl Br, and I are examples of what type of elements?

1. halogens 2. main group gases 3. noble gases 4. pnicogens

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7.Na+ is called what?

1. the sodium atom 2. the sodium ion 3. the potassium atom 4. the potassium ion

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8.What is the proper name for Br – ?

1. the bromide ion 2. the bromine ion 3. the bromonium ion 4. the bromic ion

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9.What is the correct formula of an ionic compound made only from sodium and oxygen?

1. NaO 2. Na 2 O 3. NaO 2 4. Na 2 O 2

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10.A compound made from potassium and fluorine has what formula?

1. KF 2. K 2 F 3 3. K 2 F 4. KF 2

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11.What is the formula of an ionic compound made from chlorine and magnesium?

1. ClMg 2. Cl2Mg 3. MgCl 4. MgCl 2

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12.An ionic compound made from calcium and oxygen has what formula?

1. Ca 2 O 2. CaO 2 3. OCa 4. CaO

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13.What is the common name for dihydrogen monoxide?

1. swamp gas 2. water 3. alcohol 4. ethanol

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14.Oxygen usually refers to what formula for the element?

1. O 3 2. O 4 3. O 4. O 2

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15.What is the balanced form of this equation: H 2 + Cl 2 HCl ?

1. H 2 + Cl 2 2 HCl 2. H 2 + Cl 2 H 2 Cl 2 3. 2 H + 2 Cl 2 HCl 4. 2 H + 2 Cl H 2 Cl 2

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16.How does the equation Fe + O 2 appear when properly balanced?

Fe 2 O 3 1. 4 Fe + 6 O Fe 4 O 6 2. Fe + O 2 Fe 2 O 3 3. 4 Fe + 3 O 2 4. 2 Fe + 3 O 2 2 Fe 2 O 3 2 Fe 2 O 3

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17.What is the mass of 0.5 mole of S atoms?

1. 16 g 2. 32 g 3. 8.0 g 4. 0.5 g

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18.What is the mass of 2.0 moles of silver?

1. 2.0 g 2. 216 g 3. 108 g 4. 54 g

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19.What is the mass of 5.0 moles of CH 4 ?

1. 80 g 2. 3.2 g 3. 21.0 g 4. 16 g

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20.How many moles of CH 4 64 g?

are in 1. 2.0 moles 2. 4.0 moles 3. 16 moles 4. 76 moles

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21.In 12.0 g of helium there are how many moles?

1. 48.0 moles 2. 16.0moles

3. 3.0 moles 4. 8.0 moles

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22.What charge would the oxide ion have in the compound MgO?

1. +2 2. 0 3. -2 4. -1

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23.The chemical formula for the ionic compound formed when elements of Ca and N react is: 1. CaN.

2. Ca 3 N 2 .

3. Ca 2 N 3 .

4. Ca 5 N 2 .

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24.Metals typically are: 1. good conductors of electrical current.

2. malleable. 3. ductile.

4. all of these.

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25.A covalent bond forms: 1. when an element becomes a noble gas. 2. between metals and nonmetals. 3. when atoms share electrons. 4. when electrons are transferred from one atom to another.

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26.What is the name of the compound having the formula P 2 O 3 ?

1. trioxygen diphosphide 2. diphosphorus trioxide 3. diphosphide trioxide 4. diphosphorus trioxygen

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27.What is the name of the compound having the formula CuCl 2 ?

1. copper chlorine 2. copper(II) chloride 3. copper(I) chloride 4. dichlorocopper

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28.What is the formula for iron(III) chloride?

1. Fe 3 Cl 2. FeClO 3 3. FeCl 3 4. Fe 3 Cl 3

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29.What is the formula for tetrasulfur dinitride?

1. S 4 (NO 3 ) 2 2. S 2 N 4 3. S 4 N 2 4. N 2 S 4

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30.What is the formula for strontium oxide?

1. Sr 2 O 2. SrO 3. SrO 2 4. Sr(OH) 2

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31. When elements from group 2 combine with elements from group 16, they produce compounds. Which of the following is the correct ratio between grp 2 and grp 16?

a) 1:1 b) 1:2 c) 2:1 d) 3:2

25% 25% 25% 25% a) b) c) d)

32. Based on the electronegativity values, which type of elements tend to have the greatest attraction for electrons in a bond?

a) Metals b) Metalloids c) Noble gases d) Nonmetals

25% 25% 25% 25% a) b) c) d)

33. Which of the following sections of the periodic table contains only metals?

a) Group 1 b) Group 18 c) Period 1 d) Period 7

25% 25% 25% 25% a) b) c) d)

34. Metals typically are: a) Malleable b) Ductile c) Good conductors d) All the above

25% 25% 25% 25% a) b) c) d)

35. The bar graph below represents four elements and their relative atomic numbers. What would be the most likely positioning of these unknown elements in the periodic table?

a) A b) B c) C d) D

25% 25% 25% 25% a) b) c) d)

36. Which grouping of circles, when considered in order from the top to the bottom, best represents the relative size of the atoms of Li, Na, K, and Rb, respectively?

a) B

25% 25% 25% 25%

b) C c) D d) A

a) b) c) d)

37. Which of the following compounds have an ionic bond?

a) NO 2 b) Mg 2 O c) N 2 O 4 d) H 2 O 2

25% 25% 25% 25% a) b) c) d)

38. What formula does an ionic compound made from magnesium and chlorine have?

a) MgCl 3 b) MgCl 2 c) Mg 3 Cl d) Mg 2 Cl

25% 25% 25% 25% a) b) c) d)

39. What charge would the oxide ion have in the compound CaO?

a) +1 b) +2 c) -2 d) 0

25% 25% 25% 25% a) b) c) d)

40. A covalent bond forms: a) When an element becomes a noble gas b) Between a nonmetal and a nonmetal c) When atoms share electrons d) Both b and c are correct

25% 25% 25% 25% a) b) c) d)

41. What is the name of the compound having the formula P 3 O 2 ?

a) Dioxygen triphosphide b) Triphosphide dioxide c) Triphosphorus dioxide d) Triphosphorus dioxygen

25% 25% 25% 25% a) b) c) d)

42. What is the formula for iron(II)chloride ?

a) Fe 2 Cl b) FeCl 2 c) Fe 2 Cl 2 d) FeClO 2

25% 25% 25% 25% a) b) c) d)

43. What is the formula for pentasulfar dinitride?

a) S 5 (NO 3 ) 2 b) S 2 N 5 c) S 5 N 2 d) N 2 S 5

25% 25% 25% 25% a) b) c) d)

44. What is the formula for barium oxide?

a) Br 2 O b) BrO 2 c) BrO d) Br(OH) 2

25% 25% 25% 25% a) b) c) d)

45. What is the name for the compound FeO?

a) Iron (II) oxalate b) Iron (II) oxide c) Iron (III) oxalate d) Iron (III) oxide

25% 25% 25% 25% a) b) c) d)

46. What type of bonding would be found in a compound formed by sodium and chlorine?

a) Metallic b) Covalent c) Nonpolar d) Ionic

25% 25% 25% 25% a) b) c) d)

47. Which pair of elements would most likely form a covalent bond between them?

a) Sodium and chlorine b) Barium and flourine c) Magnesium and oxygen d) Nitrogen and sulfar

25% 25% 25% 25% a) b) c) d)

48.Which type of bond results when one or more valence electrons are transferred from one atom to another?

a) Ionic bond b) Covalent bond c) metallic bond d) Hydrogen bond

25% 25% 25% 25% a) b) c) d)

49. What is the molar mass of the compound Na(OH) 2 a) 40.0 g/mol b) 57.0 g/mol c) 56.0 g/mol d) 41.0 g/mol

25% 25% 25% 25% a) b) c) d)

50. Which of the following has the greatest mass?

a) 2 moles of H 2 b) 3 moles of Be c) 4 moles of He d) 1 mole of Ca

25% 25% 25% 25% a) b) c) d)

51. How many moles of NaCl are contained in 116.0g of NaCl?

a) 1.0 mols b) 2.0 mols c) 6.0 mols d) 12.0 mols

25% 25% 25% 25% a) b) c) d)

52. How many moles of oxygen are present in 2 moles of Mg(NO 3 ) 2 ?

1. 3 2. 6 3. 12 4. 2

25% 25% 25% 25% 1 2 3 4

53. If you have 44 pieces of bread, 30 pieces of bacon, 25 slices of tomato, 30 pieces of lettuce, and an excess of mayonaise, which ingredient is your limiting “reactant” in your BLT sandwich equation. In order to make each BLT you need 2 slices of bread, 3 slices of bacon, 1 slice of tomato, one piece of lettuce, and some mayonaise.

1. Bread 2. Bacon 3. Tomato 4. Lettuce

25% 25% 25% 25% 1 2 3 4