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Captain Kirk has set a trap for the Klingons who are threatening an innocent planet. He has sent small groups of fighter rockets to sites that are invisible to Klingon radar and put a decoy in the open. He calls this the "fishhook" strategy. Mr. Spock has sent a coded message to the chemists on the fighters to tell the ships what to do next. The outline of the message is Fill in the blanks of the message using the following clues. (1) Symbol of the halogen whose hydride has the second highest boiling point in the series of HX compounds that are hydrogen halides. (2) Symbol of the halogen that is the only hydrogen halide, HX, that is a weak acid in aqueous solution. (3) Symbol of the element whose existence on the sun was known before its existence on the earth was discovered. (4) The Group 5A (15) element in Table 19-13 that should have the most metallic character. (5) Symbol of the Group 6A (16) element that, like selenium, is a semiconductor . (6) Symbol for the element known in rhombic and monoclinic forms. (7) Symbol for the element that exists as diatomic molecules in a yellow-green gas when not combined with another element. (8) Symbol for the most abundant element in and near the earth’s crust. (9) Symbol for the element that seems to give some protection against cancer when a diet rich in this element is consumed. (10) Symbol for the smallest noble gas that forms compounds with fluorine having the general formula AF 2 , and AF 4 (reverse the symbol and split the letters as shown). (11) Symbol for the toxic element that, like phosphorus and antimony, forms tetrameric molecules when uncombined with other elements (split the letters of the symbol as shown). (12) Symbol for the element that occurs as an inert component of air but is a very prominent part of fertilizers and explosives.

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Chemistry: An Atoms First Approach

2nd Edition
Steven S. Zumdahl + 1 other
Publisher: Cengage Learning
ISBN: 9781305079243

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BuyFindarrow_forward

Chemistry: An Atoms First Approach

2nd Edition
Steven S. Zumdahl + 1 other
Publisher: Cengage Learning
ISBN: 9781305079243
Chapter 19, Problem 110MP
Textbook Problem
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Captain Kirk has set a trap for the Klingons who are threatening an innocent planet. He has sent small groups of fighter rockets to sites that are invisible to Klingon radar and put a decoy in the open. He calls this the "fishhook" strategy. Mr. Spock has sent a coded message to the chemists on the fighters to tell the ships what to do next. The outline of the message is

Chapter 19, Problem 110MP, Captain Kirk has set a trap for the Klingons who are threatening an innocent planet. He has sent

Fill in the blanks of the message using the following clues.

(1) Symbol of the halogen whose hydride has the second highest boiling point in the series of HX compounds that are hydrogen halides.

(2) Symbol of the halogen that is the only hydrogen halide, HX, that is a weak acid in aqueous solution.

(3) Symbol of the element whose existence on the sun was known before its existence on the earth was discovered.

(4) The Group 5A (15) element in Table 19-13 that should have the most metallic character.

(5) Symbol of the Group 6A (16) element that, like selenium, is a semiconductor.

(6) Symbol for the element known in rhombic and monoclinic forms.

(7) Symbol for the element that exists as diatomic molecules in a yellow-green gas when not combined with another element.

(8) Symbol for the most abundant element in and near the earth’s crust.

(9) Symbol for the element that seems to give some protection against cancer when a diet rich in this element is consumed.

(10) Symbol for the smallest noble gas that forms compounds with fluorine having the general formula AF2, and AF4 (reverse the symbol and split the letters as shown).

(11) Symbol for the toxic element that, like phosphorus and antimony, forms tetrameric molecules when uncombined with other elements (split the letters of the symbol as shown).

(12) Symbol for the element that occurs as an inert component of air but is a very prominent part of fertilizers and explosives.

Interpretation Introduction

Interpretation: The given blanks are to be filled by using the given information.

Concept introduction: Hydrogen fluoride is the only weak acid in aqueous solution. Diet rich in iron gives protection against cancer.

To determine: The appropriate elements to be filled in the given blanks.

Explanation of Solution

Explanation

The halogen whose hydride has the second highest boiling point in the series of HX compounds is iodine. Its boiling point is 3οC and HF have highest boiling point (20 οC) in the series. Therefore, the element in blank (1) is I .

Hydrogen fluoride is the only weak acid in aqueous solution. Symbol of fluorine is F . Therefore, element in blank (2) is F .

The element whose existence on the sun was known before its existence on the earth was discovered is helium. Its symbol is He . Therefore, element in blank (3) is He .

The element in Group 5A(15) that have the most metallic character is bismuth because it readily gives electrons to form cations. It already have five valence electrons, therefore much energy is required to remove all electrons. Its size in largest in the series, therefore it is has most metallic character. Its symbol is Bi . Therefore, the element in blank (4) is Bi .

The element in Group 6A (16) which is a semiconductor like selenium is tellurium. Its symbol is Te . Therefore, element in blank (5) is Te .

The element which is known in rhombic and monoclinic forms is sulfur. These two differ in the arrangement of arrangement of atoms in the space. The symbol of sulfur is S . Therefore, the element in blank (6) is S .

Chlorine is a diatomic molecule and exists as yellow-green gas when not combined with another element

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Chapter 19 Solutions

Chemistry: An Atoms First Approach
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Ch. 19 - Although the earth was formed from the same...Ch. 19 - List two major industrial uses of hydrogen.Ch. 19 - How do the acidities of the aqueous solutions of...Ch. 19 - Diagonal relationships in the periodic table exist...Ch. 19 - Atomic size seems to play an important role in...Ch. 19 - Silicon carbide (SiC) is an extremely hard...Ch. 19 - In most compounds, the solid phase is denser than...Ch. 19 - What is nitrogen fixation? 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What is the expected...Ch. 19 - Thallium and indium form + 1 and + 3 oxidation...Ch. 19 - Boron hydrides were once evaluated for possible...Ch. 19 - Elemental boron is produced by reduction of boron...Ch. 19 - Write equations describing the reactions of Ga...Ch. 19 - Write a balanced equation describing the reaction...Ch. 19 - Al2O3 is amphoteric. What does this mean?Ch. 19 - What are three-centered bonds?Ch. 19 - Discuss the importance of the C8C and Si8Si bond...Ch. 19 - Besides the central atom, what are the differences...Ch. 19 - The following illustration shows the orbitals used...Ch. 19 - In addition to CO2, two additional stable oxides...Ch. 19 - Silicon is produced for the chemical and...Ch. 19 - Write equations describing the reactions of Sn...Ch. 19 - The compound Pb3O4 (red lead) contains a mixture...Ch. 19 - Tin forms compounds in the +2 and +4 oxidation...Ch. 19 - The oxyanion of nitrogen in which it has the...Ch. 19 - In each of the following pairs of substances, one...Ch. 19 - Write balanced equations for the reactions...Ch. 19 - Arsenic reacts with oxygen to form oxides that...Ch. 19 - The Group 5A (15) elements can form molecules or...Ch. 19 - Compare the Lewis structures with the molecular...Ch. 19 - Many oxides of nitrogen have positive values for...Ch. 19 - Using data from Appendix 4 calculate H, S, and G...Ch. 19 - In many natural waters, nitrogen and phosphorus...Ch. 19 - Phosphate buffers are important in regulating the...Ch. 19 - Phosphoric acid (H3PO4) is a triprotic acid,...Ch. 19 - Trisodium phosphate (TSP) is an effective grease...Ch. 19 - Use bond energies to estimate the maximum...Ch. 19 - The xerographic (dry writing) process was invented...Ch. 19 - Write a balanced equation describing the reduction...Ch. 19 - Complete and balance each of the following...Ch. 19 - Ozone is desirable in the upper atmosphere but...Ch. 19 - Ozone is a possible replacement for chlorine in...Ch. 19 - How can the paramagnetism of O2 be explained using...Ch. 19 - Describe the bonding in SO2 and SO3 using the...Ch. 19 - Write the Lewis structure for O2F2. Predict the...Ch. 19 - Give the Lewis structure, molecular structure, and...Ch. 19 - Fluorine reacts with sulfur to form several...Ch. 19 - Predict some possible compounds that could form...Ch. 19 - How does the oxyacid strength of the halogens vary...Ch. 19 - Explain why HF is a weak acid, whereas HCI, HBr,...Ch. 19 - The xenon halides and oxides are isoelectronic...Ch. 19 - For each of the following, write the Lewis...Ch. 19 - Although He is the second most abundant element in...Ch. 19 - The noble gas with the largest atmospheric...Ch. 19 - There is evidence that radon reacts with fluorine...Ch. 19 - For the RnFx compounds you predicted in Exercise...Ch. 19 - Hydrazine (N2H4) is used as a fuel in...Ch. 19 - The inert-pair effect is sometimes used to explain...Ch. 19 - How could you determine experimentally whether the...Ch. 19 - The resistivity (a measure of electrical...Ch. 19 - Slaked lime, Ca(OH)2 is used to soften hard water...Ch. 19 - EDTA is used as a complexing agent in chemical...Ch. 19 - Photogray lenses contain small embedded crystals...Ch. 19 - Draw Lewis structures for the AsCl4+ and AsCl6...Ch. 19 - Provide a reasonable estimate for the number of...Ch. 19 - In large doses, selenium is toxic. However, in...Ch. 19 - In the 1950s and 1960s, several nations conducted...Ch. 19 - What is a disproportionation reaction? Use the...Ch. 19 - Sulfur forms a wide variety of compounds in which...Ch. 19 - Halogens form a variety of covalent compounds with...Ch. 19 - Hydrogen gas is being considered as a fuel for...Ch. 19 - Molten CaC12 is electrolyzed for 8.00 h to produce...Ch. 19 - Calculate the solubility of Mg(OH)2 (Ksp = 8.9 ...Ch. 19 - Which of the following statement(s) is(are) true?...Ch. 19 - What is the hybridization of the underlined...Ch. 19 - Nitrous oxide (N2O) can be produced by thermal...Ch. 19 - What is the hybridization of the central atom in...Ch. 19 - What is the molecular structure for each of the...Ch. 19 - The atmosphere contains 9.0 106% Xe by volume at...Ch. 19 - Which of following statement(s) is/are true? a....Ch. 19 - Suppose 10.00 g of an alkaline earth metal reacts...Ch. 19 - From the information on the temperature stability...Ch. 19 - Lead forms compounds in the +2 and +4 oxidation...Ch. 19 - Many structures of phosphorus-containing compounds...Ch. 19 - Use bond energies (see Table 3-3) to show that the...Ch. 19 - A proposed two-step mechanism for the destruction...Ch. 19 - You travel to a distant, cold planet where the...Ch. 19 - Nitrogen gas reacts with hydrogen gas to form...Ch. 19 - A cylinder fitted with a movable piston initially...Ch. 19 - The heaviest member of the alkaline earth metals...Ch. 19 - lndium(III) phosphide is a semiconducting material...Ch. 19 - Although nitrogen trifluoride (NF3) is a thermally...Ch. 19 - While selenic acid has the formula H2SeO4 and thus...Ch. 19 - Captain Kirk has set a trap for the Klingons who...Ch. 19 - Use the symbols of the elements described in the...

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