Essentials of Human Anatomy and Physiology (LooseLeaf) - With Access
11th Edition
ISBN: 9780321958563
Author: Marieb
Publisher: PEARSON
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Chapter 2, Problem 19SAE
Define radioactivity. If an element has three isotopes, which of them (the lightest, the one with an intermediate mass, or the heaviest) is most likely to be a radioisotope, and why?
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Chapter 2 Solutions
Essentials of Human Anatomy and Physiology (LooseLeaf) - With Access
Ch. 2 - Prob. 1MCCh. 2 - Prob. 2MCCh. 2 - Prob. 3MCCh. 2 - Prob. 4MCCh. 2 - Glucose is to starch as a. a steroid is to a...Ch. 2 - 6. What lipid type is stored in fat deposits...Ch. 2 - Absence of which of the following...Ch. 2 - ATP is not associated with a. a basic nucleotide...Ch. 2 - Prob. 9MCCh. 2 - 10. Factors that increase the speed of chemical...
Ch. 2 - Why is a study of basic chemistry essential to...Ch. 2 - Matter occupies space and has mass. Explain how...Ch. 2 - Prob. 13SAECh. 2 - Prob. 14SAECh. 2 - Prob. 15SAECh. 2 - Prob. 16SAECh. 2 - All atoms are neutral. Explain the basis of this...Ch. 2 - Fill in the following table to fully describe an...Ch. 2 - Define radioactivity. If an element has three...Ch. 2 - Prob. 20SAECh. 2 - Prob. 21SAECh. 2 - Where would you expect to Find hydrogen bonds in...Ch. 2 - The two oxygen atoms forming molecules of oxygen...Ch. 2 - Prob. 24SAECh. 2 - 25. Identify each of the following reactions as a...Ch. 2 - Prob. 26SAECh. 2 - Prob. 27SAECh. 2 - 28. Define pH. The pH range of blood is from 7.35...Ch. 2 - Prob. 29SAECh. 2 - Prob. 30SAECh. 2 - Describe the structural differences between...Ch. 2 - Prob. 32SAECh. 2 - 33. Name the two protein classes based on...Ch. 2 - Prob. 34SAECh. 2 - Describe what has happened to a proteins structure...Ch. 2 - Prob. 36SAECh. 2 - Prob. 37SAECh. 2 - 38. Explain why you can “stack” water slightly...Ch. 2 - Explain what is meant by the terms synthesis...Ch. 2 - 41. Several antibiotics act by binding to certain...Ch. 2 - 42. Mrs. Roberts, who is in a diabetic coma, has...Ch. 2 - Tendons, ligaments, and skin contain a large...Ch. 2 - Prob. 43CAQ
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- An isotope of sodium (Na) has a mass number of 22. How many neutrons does it have? a. 11 b. 12 c. 22 d. 44arrow_forwardPolonium is a rare element with 33 radioisotopes. The most common one, 210Po, has 82 protons and 128 neutrons. When 210Po decays, it emits an alpha particle, which is a helium nucleus (2 protons and 2 neutrons). 210Po decay is tricky to detect because alpha particles do not carry very much energy compared to other forms of radiation. They can be stopped by, for example, a sheet of paper or a few inches of air. This property is one reason why authorities failed to discover toxic amounts of 210Po in the body of former KGB agent Alexander Litvinenko until after he died suddenly and mysteriously in 2006. What element does an atom of 210Po decay into after it emits an alpha particle?arrow_forwardWhat enables a radioisotope to substitute for an ordinary (nonradioactive) atom of the same element molecule?arrow_forward
- Polonium is a rare element with 33 radioisotopes. The most common one, P210o, has 84 protons and 126 neutrons. When P210o decays, it emits an alpha particle, which is a helium nucleus 2 protons and 2 neutrons. P210o decay is tricky to detect because alpha particles do not carry very much energy compared to other forms of radiation. For example, they can be stopped by a single sheet of paper or a few inches of air. That is one reason why authorities failed to discover toxic amounts of P210o in the body of former KGB agent Alexander Litvinenko until after he died suddenly and mysteriously in 2006. What element does an atom of P210o change into after it emits an alpha particle.arrow_forwardMagnesium has an atomic number of 12. Which of the following statements is true of a neutral magnesium atom? a. It has 12 protons, 12 electrons, and 12 neutrons. b. It has 12 protons, 12 electrons, and six neutrons. c. It has six protons, six electrons, and no neutrons. d. It has six protons, six electrons, and six neutrons.arrow_forwardWhich element has only one proton?arrow_forward
- Refer to the following figure (first three rows of the periodic table) to answer the questions below. What element does not react with other elements? Group of answer choices A. hydrogen B. helium C. oxygen D. siliconarrow_forwardDistinguish between each of the following pairs of terms: Neutron and proton Atomic number and mass number Atomic weight and mass numberarrow_forwardThe atomic mass of an element can be used to determine A) the chemical properties of the element B) the number of protons in the element C) the number of neutrons in the element D) the number of protons plus neutrons in the element E) both the number of protons and the chemical properties of the elementarrow_forward
- A nitrogen isotope with an atomic mass of 15, and an atomic number of 7, must have: 7 neutrons and 8 electrons 8 neutrons and 7 protons 7 electrons and 8 protons 8 protons and 7 neutrons 7 protons and 8 electronsarrow_forwardExplain how the type of decay, the half life and the chemical properties make the following radionuclides suitable for the given applications: A single gram of polonium will reach a temperature of 500°C making it useful as a source of heat for space equipment (α emitter, half lives of polonium isotopes range from less than a second to 200 years).arrow_forwardIodine has 37 known isotopes. Therefore, the atomic mass has a range of 108-144 amu. Which of the following statements concerning iodine is correct? A) The isotopes of iodine have between 55 and 91 protons. B) An atom of iodine can have between 55 and 91 neutrons. C) The isotopes of iodine will always have the same number of neutrons, but the protons can vary. D) The isotopes of iodine have between 108 and 144 neutrons, but the number of protons will not vary.arrow_forward
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