Conceptual Integrated Science
3rd Edition
ISBN: 9780135197394
Author: Hewitt, Paul G., LYONS, Suzanne, (science Teacher), Suchocki, John, Yeh, Jennifer (jennifer Jean)
Publisher: PEARSON EDUCATION (COLLEGE)
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Chapter 9, Problem 52TE
To determine
To find:
The reason that the chemists do not consider the air as an element.
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Consider bromine, which occurs
as a mixture of two isotopes:
bromine-79, with a natural
abundance of 50.7% and an
exact mass of 78.92 amu and
bromine-81, with a natural
abundance of 49.3% and an
exact mass of 80.92 amu. What
is the average atomic mass of
bromine?
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7
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You could swallow a capsule of germanium without ill effects. But, if a proton were added to each of the germanium nuclei, you would not want to swallow the capsule. Why? (Consult the periodic table.)
Your friend says that what makes one element distinct from another is the number of electrons about the atomic nucleus. Do you agree wholeheartedly, partially, or not at all? Explain.
Chapter 9 Solutions
Conceptual Integrated Science
Ch. 9 - Prob. 1RCQCh. 9 - Prob. 2RCQCh. 9 - Prob. 3RCQCh. 9 - Prob. 4RCQCh. 9 - Prob. 5RCQCh. 9 - Prob. 6RCQCh. 9 - Prob. 7RCQCh. 9 - Prob. 8RCQCh. 9 - Prob. 9RCQCh. 9 - Prob. 10RCQ
Ch. 9 - Prob. 11RCQCh. 9 - Prob. 12RCQCh. 9 - Prob. 13RCQCh. 9 - Prob. 14RCQCh. 9 - Prob. 15RCQCh. 9 - Prob. 16RCQCh. 9 - Prob. 17RCQCh. 9 - Prob. 18RCQCh. 9 - Prob. 19RCQCh. 9 - Prob. 20RCQCh. 9 - Prob. 21RCQCh. 9 - Prob. 22TISCh. 9 - Prob. 23TISCh. 9 - Prob. 24TISCh. 9 - Prob. 25TISCh. 9 - If a baseball were the size of Earth, about how...Ch. 9 - Prob. 27TISCh. 9 - Prob. 28TISCh. 9 - What kind of model is best used to describe...Ch. 9 - Rank these three subatomic particles in order of...Ch. 9 - Prob. 35TCCh. 9 - Consider three 1-gram samples of the matter a...Ch. 9 - Prob. 37TCCh. 9 - Prob. 38TCCh. 9 - Prob. 39TCCh. 9 - Prob. 40TSCh. 9 - Prob. 41TSCh. 9 - Prob. 42TSCh. 9 - Chlorine atomic number 17 is composed of two...Ch. 9 - Prob. 44TECh. 9 - Prob. 45TECh. 9 - If all the molecules of a body remained part of...Ch. 9 - Prob. 47TECh. 9 - Prob. 48TECh. 9 - Where did the carbon atoms in Leslies hair...Ch. 9 - Prob. 50TECh. 9 - Prob. 51TECh. 9 - Prob. 52TECh. 9 - Prob. 53TECh. 9 - Prob. 54TECh. 9 - Why arent we harmed by drinking heavy water:D2O?Ch. 9 - Prob. 56TECh. 9 - Prob. 57TECh. 9 - The nucleus of an electrically neutral iron atom...Ch. 9 - Prob. 59TECh. 9 - Prob. 60TECh. 9 - Why are the atomic masses that are not whole...Ch. 9 - Prob. 62TECh. 9 - Prob. 63TECh. 9 - Prob. 64TECh. 9 - Which is heavier: a water molecule, H2O, or a...Ch. 9 - When we breathe, we inhale oxygen, O2, and exhale...Ch. 9 - A tree takes in carbon dioxide, CO2, and water...Ch. 9 - Prob. 68TECh. 9 - Prob. 69TECh. 9 - Prob. 70TECh. 9 - Prob. 71TECh. 9 - Prob. 72TECh. 9 - Prob. 73TECh. 9 - Prob. 74TECh. 9 - How do we predict the behavior of atoms?Ch. 9 - With scanning probe microscopy technology, we see...Ch. 9 - Prob. 77TECh. 9 - What do the components of a conceptual model have...Ch. 9 - Would you use a physical model or a conceptual...Ch. 9 - Prob. 80TECh. 9 - How is it possible to tell what stars are made of...Ch. 9 - Prob. 82TECh. 9 - Prob. 83TECh. 9 - Prob. 84TECh. 9 - Prob. 85TECh. 9 - Prob. 86TECh. 9 - Prob. 87TECh. 9 - Prob. 88TECh. 9 - Prob. 89TECh. 9 - Prob. 90TECh. 9 - Prob. 91TECh. 9 - Prob. 92TECh. 9 - Prob. 93TECh. 9 - Prob. 94TECh. 9 - Prob. 95TECh. 9 - Prob. 96TECh. 9 - Prob. 97TECh. 9 - Prob. 98TECh. 9 - Prob. 99TECh. 9 - In what sense can you truthfully say that you are...Ch. 9 - Prob. 101TDICh. 9 - Prob. 102TDICh. 9 - Why does an inflated and securely tied rubber...Ch. 9 - Prob. 1RATCh. 9 - Prob. 2RATCh. 9 - Prob. 3RATCh. 9 - Prob. 4RATCh. 9 - Prob. 5RATCh. 9 - Prob. 6RATCh. 9 - Prob. 7RATCh. 9 - Would you use a physical model or a conceptual...Ch. 9 - Prob. 9RATCh. 9 - Prob. 10RAT
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- A hypothetical element has two main iso- topes. other has a mass of 75 amu. If the atomic as One has a mass of 73 amu and the weight of this element is 73.80 amu, what is the percent abundance of the 75 amu isotope? 1. 45.92% E 2. 39.92% S 3. 60.08% 4. 54.08% 5. 42.92%.0 Na OF 6. 57.08%arrow_forwardMass number = 10 Nuclear charge = 3 Li 6.941 Lithium What is wrong with the model of a lithium atom and how should it be corrected? Type your response.here ker notes Sig acer $4 % & 7 8 9. 4. 5 u r yarrow_forwardElement X has three naturally occurring isotopes. The masses (amu) and % abundances of the isotopes are given in the table below. The average atomic mass of the element is Isotope Mass 40x 13.01 40.10 41X 6.98 41.00 44X 79.99 43.98 a. 39.68 O b. 43.26 c. 39.07 O d. 38.64arrow_forward
- 61.) While researching for her class presentation, karen has read that natural occuring Gallium consists of 60% Ga (atomic mass=68.911) and 40 % of Ga(atomic mas= 70.9311). What is the average atomic mass of Ga?arrow_forward1 An unknown element X has the following isotopes: 14⁰X (89.00% abundant) and 142X(11.00% abundant). What is the average atomic mass in amu of X? 4 7 +/- 2 LO Time's Up! 5 8 amu 3 6 9 0 Submit Tap here or pull up for additional resources X C x 100arrow_forwardFORMATION OF ELEMENTS: You are going to complete the following nuclear reactions and identify the cosmic phase in which reaction occurred whether it is STELLAR FORMATION or STELLAR EXPLOSION. NUCLEAR REACTION COSMIC PHASE 1. H + HHe + -> 2. 3. Ni + 62 63 28 4. 28 5. 180+ → 1Si + He 6. 64 7. 25Cu > oZn + 64 30 8. 9. C + 1?C → + 1p 10. 11. Fe + n > 26 12. + 3He 1C +8y 13C + 8y 13. 14. +arrow_forward
- 14 5) e 238 u→ ? Th + 90 92 주H+ 주 %3 6m+-arrow_forward1 E:17 Q.3.jpg Example: which of the following are possible reaction Xe+Sr +2,n 1- 'n+ U →* 2– ¿n+ U →* Sn + Mo +3¿n → I+ Nb+3,n 235 140 94 54 38 1 235 132 101 2- n+U 50 1 239 127 3- n+ Pu 94 41arrow_forwardHow many electrons does an element given as 24 X 50 have? How many neutrons? What is the net electric charge of the element?arrow_forward
- 11 In Geiger and Marsden's a-particle scattering experiment, a-particles were directed at a very thin gold foil. Fig. 11.1 shows five of the nuclei of the atoms in one layer in the gold foil. Also shown are the paths of three a-particles directed at the foil. Fig. 11.1 (a) On Fig.11.1, complete the paths of the three a-particles. (b) (0 State the result of the experiment that shows that an atom oonsists of a very tinya cbarged, core, containing almost all the mass of the atom. (ii) State the sign of the charge on this core. (iii) State what occupies the space between these charged cores. (c) The nudide notation for an a-particle is a. State the number of protons and neutrons in an a-particle protons = neutrons =arrow_forwardc) The nucleus of which atom contains 49 neutrons? A 32S 16 B 48TI 22 C 86 Rb 12 Cd D 1 48arrow_forward1. Copper has an average atomic mass of 63.55 and has two naturally occurring isotopes, 63Cu and 65CU. If a sample of copper contains 69.17% of 63Cu, which has a mass of 62.9296. What is the mass of 65CU? (Assume 100% of the sample contains only 63Cu and 65Cu as its only isotopes. (Express your answer in 6 significant digits. Be sure to follow sig. fig rules.)arrow_forward
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