Chemistry with Access Code, Hybrid Edition
9th Edition
ISBN: 9781285188492
Author: Steven S. Zumdahl
Publisher: CENGAGE L
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Chapter 2, Problem 112CP
A chemistry instructor makes the following claim: “Consider that if the nucleus were the size of a grape, the electrons would be about 1 mile away on average.” Is this claim reasonably accurate? Provide mathematical support.
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Chapter 2 Solutions
Chemistry with Access Code, Hybrid Edition
Ch. 2 - Use Daltons atomic theory to account for each of...Ch. 2 - What evidence led to the conclusion that cathode...Ch. 2 - What discoveries were made by J. J. Thomson, Henri...Ch. 2 - Consider Ernest Rutherfords -particle bombardment...Ch. 2 - Do the proton and the neutron have exactly the...Ch. 2 - What is the distinction between atomic number and...Ch. 2 - Distinguish between the terms family and period in...Ch. 2 - The compounds AlCl3, CrCl3, and ICl3 have similar...Ch. 2 - Prob. 9RQCh. 2 - How would you name HBrO4, KIO3, NaBrO2, and HIO?...
Ch. 2 - Which of the following is true about an individual...Ch. 2 - How would you go about finding the number of chalk...Ch. 2 - These questions concern the work of J. J. Thomson....Ch. 2 - Prob. 4ALQCh. 2 - You have a chemical in a sealed glass container...Ch. 2 - The formula of water is If-O. Which of the...Ch. 2 - You may have noticed that when water boils, you...Ch. 2 - One of the best indications of a useful theory is...Ch. 2 - Prob. 9ALQCh. 2 - Prob. 10ALQCh. 2 - Label each of the following as an atomic element,...Ch. 2 - Prob. 12ALQCh. 2 - Prob. 13ALQCh. 2 - Prob. 14ALQCh. 2 - Which of tire following explain how an ion is...Ch. 2 - What refinements had to be made in Daltons atomic...Ch. 2 - When hydrogen is burned in oxygen to form water,...Ch. 2 - The two most reactive families of elements are the...Ch. 2 - Explain the law of conservation of mass, the law...Ch. 2 - Section 2.3 describes the postulates of Daltons...Ch. 2 - The contributions of J. J. Thomson and Ernest...Ch. 2 - Prob. 22QCh. 2 - The number of protons in an atom determines the...Ch. 2 - If the volume of a proton were similar to the...Ch. 2 - Prob. 25QCh. 2 - List some characteristic properties that...Ch. 2 - Consider the elements of Group 4A (the carbon...Ch. 2 - Distinguish between the following terms. a....Ch. 2 - Label the type of bonding for each of the...Ch. 2 - The vitamin niacin (nicotinic acid. C6H5NO2) can...Ch. 2 - Prob. 31QCh. 2 - Prob. 32QCh. 2 - When mixtures of gaseous H2 and gaseous Cl2 react,...Ch. 2 - Observations of the reaction between nitrogen gas...Ch. 2 - A sample of chloroform is found to contain 12.0 g...Ch. 2 - A sample of H2SO4 contains 2.02 g of hydrogen,...Ch. 2 - Hydrazine, ammonia, and hydrogen azide all contain...Ch. 2 - Consider 100.0-g samples of two different...Ch. 2 - The three most stable oxides of carbon ire carbon...Ch. 2 - Two elements. R and Q, combine to form two binary...Ch. 2 - In Section 1.1 of the text, the concept of a...Ch. 2 - In a combustion reaction, 46.0 g of ethanol reacts...Ch. 2 - Early tables of atomic weights (masses) were...Ch. 2 - Indium oxide contains 4.784 g of indium for every...Ch. 2 - Prob. 45ECh. 2 - If you wanted to make an accurate scale model of...Ch. 2 - In an experiment it was found that the total...Ch. 2 - A chemist in a galaxy tar, far away performed the...Ch. 2 - What are the symbols of the following metals:...Ch. 2 - What are the symbols of the following nonmetals:...Ch. 2 - Give the names of the nonmetals that correspond to...Ch. 2 - a. Classify the following elements as metals or...Ch. 2 - a. List the noble gas elements. Which of the noble...Ch. 2 - For each of the following sets of elements, label...Ch. 2 - Prob. 56ECh. 2 - Prob. 57ECh. 2 - Write the atomic symbol (ZAX) for each of the...Ch. 2 - Write the symbol of each atom using the ZAX...Ch. 2 - For carbon-14 and carbon-12, how many protons and...Ch. 2 - How many protons and neutrons are in the nucleus...Ch. 2 - Prob. 62ECh. 2 - For each of the following ions, indicate the...Ch. 2 - How many protons, neutrons, and electrons are in...Ch. 2 - Prob. 65ECh. 2 - What is the symbol of an ion with 16 protons, 18...Ch. 2 - Complete the following table: Symbol Number of...Ch. 2 - Complete the following table: Symbol Number of...Ch. 2 - Would you expect each of the following atoms to...Ch. 2 - Prob. 70ECh. 2 - Name the compounds in parts ad and write the...Ch. 2 - Name the compounds in parts a-d and write the...Ch. 2 - Prob. 73ECh. 2 - Prob. 74ECh. 2 - Prob. 75ECh. 2 - Prob. 76ECh. 2 - Prob. 77ECh. 2 - Prob. 78ECh. 2 - Prob. 79ECh. 2 - Prob. 80ECh. 2 - Prob. 81ECh. 2 - Prob. 82ECh. 2 - Prob. 83ECh. 2 - Write the formula for each of the following...Ch. 2 - Prob. 85ECh. 2 - Write the formula for each of the following...Ch. 2 - Prob. 87ECh. 2 - Each of the following compounds is incorrectly...Ch. 2 - Chlorine has two natural isotopes: 1737Cl and...Ch. 2 - What are the symbols for the following nonmetal...Ch. 2 - Four Fe2+ ions are key components of hemoglobin,...Ch. 2 - Which of the following statements is(are) true?...Ch. 2 - The isotope of an unknown element, X, has a mass...Ch. 2 - Prob. 94AECh. 2 - Prob. 95AECh. 2 - Identify each of the following elements: a. a...Ch. 2 - Prob. 97AECh. 2 - Prob. 98AECh. 2 - Prob. 99AECh. 2 - Prob. 100AECh. 2 - Prob. 101AECh. 2 - Prob. 102AECh. 2 - Complete the following table. Atom/Ion Protons...Ch. 2 - Which of the following is{are) correct? a. 40Ca2...Ch. 2 - Prob. 105CWPCh. 2 - Prob. 106CWPCh. 2 - Prob. 107CWPCh. 2 - Prob. 108CWPCh. 2 - Reaction of 2.0 L of hydrogen gas with 1.0 L of...Ch. 2 - A combustion reaction involves the reaction of a...Ch. 2 - A chemistry instructor makes the following claim:...Ch. 2 - The early alchemists used to do an experiment in...Ch. 2 - Consider the chemical reaction as depicted below....Ch. 2 - Each of the following statements is true, but...Ch. 2 - You have two distinct gaseous compounds made from...Ch. 2 - A single molecule has a mass of 7.31 1023 g....Ch. 2 - You take three compounds, each consisting of two...Ch. 2 - Prob. 119IPCh. 2 - Prob. 120IPCh. 2 - Using the information in Table 2.1, answer the...
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- Your friend tells you about an article that he read in a tabloid that reported the discovery of a new form of carbon containing eight protons in the nucleus of its atoms. He claims that scientists are eager to explore the properties of this new form of carbon. What is wrong with the tabloid's claim? a. Nothing. The claim is believable. b. The claim must be false because an atom with eight protons would be oxygen, which is already known. c. The claim must be false because all forms of carbon are already known.arrow_forwardThere are 2.619 1022 atoms in 1.000 g of sodium. Assume that sodium atoms are spheres of radius 1.86 and that they are lined up side by side. How many miles in length is the line of sodium atoms?arrow_forwardWho discovered the electron? Describe the experiment that led to the deduction that electrons are negatively charged particles.arrow_forward
- Without consulting your textbook or notes, state as many points as you can of Dalton’s atomic theory. Explain in your own words each point of the theory.arrow_forward2.41 How does the periodic table help to make the study of chemistry more systematic?arrow_forwardThe photo here depicts what happens when a coil of magnesium ribbon and a few calcium chips are placed in water. (a) Based on these observations, what might you expect to see when barium, another Croup 2A element, is placed in water? (b) Give the period in which each element (Mg. Ca, and Ba) is found. What correlation do you think you might find between the reactivity of these elements and their positions in the periodic table?arrow_forward
- Mass spectrometric analysis showed that there are four isotopes of an unknown element having the following masses and abundances: Three elements in the periodic table that have atomic weights near these values are lanthanum (La), atomic number 57, atomic weight 138.9055; cerium (Ce), atomic number 58, atomic weight 140.115; and praseodymium (Pr), atomic number 59, atomic weight 140.9076. Using the data above, calculate the atomic weight, and identify the element if possible.arrow_forwardConsider Ernest Rutherfords -particle bombardment experiment illustrated in Fig. 2.12. How did the results of this experiment lead Rutherford away from the plum pudding model of the atom to propose the nuclear model of the atom?arrow_forwardIt is good practice to actively read the textbook and to try to verify claims that are made when you can. The following claim is made in your textbook: “. . . if the nucleus were the size of a grape, the electrons would be about 1 mile away on average.” Provide mathematical support for this statement.arrow_forward
- The early alchemists used to do an experiment in which water was boiled for several days in a sealed glass container. Eventually, some solid residue would appear in the bottom of the flask, which was interpreted to mean that some of the water in the flask had been converted into earth. When Lavoisier repeated this experiment, he found that the water weighed the same before and after heating and the mass of the flask plus the solid residue equaled the original mass of the flask. Were the alchemists correct? Explain what happened. (This experiment is described in the article by A. F. Scott in Scientific American, January 1984.)arrow_forwardDescribe the nuclear model for the atom and identify the numbers of protons, electrons, and neutrons in a particular isotope from its chemical symbol.arrow_forwardDefine mass number. What is the difference between mass number and atomic mass?arrow_forward
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