Chemistry: Matter and Change
1st Edition
ISBN: 9780078746376
Author: Dinah Zike, Laurel Dingrando, Nicholas Hainen, Cheryl Wistrom
Publisher: Glencoe/McGraw-Hill School Pub Co
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Question
Chapter 4, Problem 124A
Interpretation Introduction
Interpretation:
The working of Scanning Tunneling Microscope and its images.
Concept introduction:
Scanning tunnelling microscope is used for several purposes:
- For getting the position of an atom.
- Spectroscopy
- For moving atoms.
Expert Solution & Answer
Answer to Problem 124A
STM works when a high voltage is applied between the pointed tip and the sample to extract electrons from the sample, this develops an
Explanation of Solution
In the scanning tunnelling microscope (STM) a metallic pointed tip is used that is kept hung upon the sample of atoms. The position of the atoms of the metal surface down to a resolution better than 0.1 nanometre can be deducted by drawing the current intensity versus the tip location.
Tunnelling microscope can also be used for spectroscopy as well as for moving atoms. By putting thetip current versus applied voltage and the obtained graph gives information about the electronic properties of the material. For moving atoms in some materials one can bring the tip very close to the atom then raises it and move it somewhere else. Therefore STM can be used for multi-purposes.
Conclusion
STM used forgetting the position of an atom, Spectroscopy as well as for moving atoms.
Chapter 4 Solutions
Chemistry: Matter and Change
Ch. 4.1 - Prob. 1SSCCh. 4.1 - Prob. 2SSCCh. 4.1 - Prob. 3SSCCh. 4.1 - Prob. 4SSCCh. 4.1 - Prob. 5SSCCh. 4.1 - Prob. 6SSCCh. 4.2 - Prob. 7SSCCh. 4.2 - Prob. 8SSCCh. 4.2 - Prob. 9SSCCh. 4.2 - Prob. 10SSC
Ch. 4.2 - Prob. 11SSCCh. 4.3 - Prob. 12PPCh. 4.3 - Prob. 13PPCh. 4.3 - Prob. 14PPCh. 4.3 - Prob. 15PPCh. 4.3 - Prob. 16PPCh. 4.3 - Prob. 17PPCh. 4.3 - Prob. 18PPCh. 4.3 - Prob. 19PPCh. 4.3 - Prob. 20SSCCh. 4.3 - Prob. 21SSCCh. 4.3 - Prob. 22SSCCh. 4.3 - Prob. 23SSCCh. 4.3 - Prob. 24SSCCh. 4.4 - Prob. 25SSCCh. 4.4 - Prob. 26SSCCh. 4.4 - Prob. 27SSCCh. 4.4 - Prob. 28SSCCh. 4.4 - Prob. 29SSCCh. 4 - Prob. 30ACh. 4 - Whose work is credited with being the beginning of...Ch. 4 - Prob. 32ACh. 4 - Prob. 33ACh. 4 - Prob. 34ACh. 4 - Prob. 35ACh. 4 - State the main points of Dalton’s atomic theory...Ch. 4 - Prob. 37ACh. 4 - Prob. 38ACh. 4 - What particles are found in the nucleus of an...Ch. 4 - How was the overall charge distributed in the plum...Ch. 4 - How did the charge distribution in the plum...Ch. 4 - Label the subatomic particles shown in Figure...Ch. 4 - Arrange the following subatomic particles in order...Ch. 4 - Explain why atoms are electrically neutral.Ch. 4 - What is the charge of the nucleus of element 89?Ch. 4 - Which particles account for most of an atom’s...Ch. 4 - Prob. 47ACh. 4 - Prob. 48ACh. 4 - Prob. 49ACh. 4 - Prob. 50ACh. 4 - Prob. 51ACh. 4 - Prob. 52ACh. 4 - Prob. 53ACh. 4 - Prob. 54ACh. 4 - Prob. 55ACh. 4 - Prob. 56ACh. 4 - Prob. 57ACh. 4 - How do isotopes of a given element differ? How are...Ch. 4 - How is an atom’s atomic number related to its...Ch. 4 - How is the mass number related to the number of...Ch. 4 - How can you determine the number of neutrons in an...Ch. 4 - Prob. 62ACh. 4 - Standard Units Define the atomic mass unit. What...Ch. 4 - Prob. 64ACh. 4 - Prob. 65ACh. 4 - How many protons and electrons are contained in an...Ch. 4 - Carbon A carbon atom has a mass number of 12 and...Ch. 4 - Mercury An isotope of mercury has 80 protons and...Ch. 4 - Xenon An isotope of xenon has an atomic number of...Ch. 4 - If an atom has 18 electrons, how many protons does...Ch. 4 - Sulfur Show that the atomic mass of the element...Ch. 4 - Prob. 72ACh. 4 - How many electrons, protons, and neutrons...Ch. 4 - How many electrons, protons, and neutrons are...Ch. 4 - Prob. 75ACh. 4 - Prob. 76ACh. 4 - Prob. 77ACh. 4 - Prob. 78ACh. 4 - Prob. 79ACh. 4 - Prob. 80ACh. 4 - Prob. 81ACh. 4 - Prob. 82ACh. 4 - Prob. 83ACh. 4 - Prob. 84ACh. 4 - Prob. 85ACh. 4 - Prob. 86ACh. 4 - Prob. 87ACh. 4 - Prob. 88ACh. 4 - Prob. 89ACh. 4 - Prob. 90ACh. 4 - Prob. 91ACh. 4 - Prob. 92ACh. 4 - Prob. 93ACh. 4 - Prob. 94ACh. 4 - Prob. 95ACh. 4 - Prob. 96ACh. 4 - Prob. 97ACh. 4 - Prob. 98ACh. 4 - Prob. 99ACh. 4 - Prob. 100ACh. 4 - Prob. 101ACh. 4 - Prob. 102ACh. 4 - Prob. 103ACh. 4 - Prob. 104ACh. 4 - Prob. 105ACh. 4 - Prob. 106ACh. 4 - Prob. 107ACh. 4 - Prob. 108ACh. 4 - Prob. 109ACh. 4 - Prob. 110ACh. 4 - Prob. 111ACh. 4 - Prob. 112ACh. 4 - Prob. 113ACh. 4 - Prob. 114ACh. 4 - Prob. 115ACh. 4 - Prob. 116ACh. 4 - Prob. 117ACh. 4 - Prob. 118ACh. 4 - Prob. 120ACh. 4 - Prob. 121ACh. 4 - Prob. 122ACh. 4 - Prob. 123ACh. 4 - Prob. 124ACh. 4 - Prob. 125ACh. 4 - Prob. 126ACh. 4 - Prob. 127ACh. 4 - Prob. 128ACh. 4 - Prob. 129ACh. 4 - Prob. 1STPCh. 4 - Prob. 2STPCh. 4 - Prob. 3STPCh. 4 - Prob. 4STPCh. 4 - Prob. 5STPCh. 4 - Prob. 6STPCh. 4 - Prob. 7STPCh. 4 - Prob. 8STPCh. 4 - Prob. 9STPCh. 4 - Prob. 10STPCh. 4 - Prob. 11STPCh. 4 - Prob. 12STPCh. 4 - Prob. 13STPCh. 4 - Prob. 14STPCh. 4 - Prob. 15STPCh. 4 - Prob. 16STPCh. 4 - Prob. 17STPCh. 4 - Prob. 18STPCh. 4 - Prob. 19STPCh. 4 - Prob. 20STPCh. 4 - Prob. 21STP
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