Modified Mastering Astronomy with Pearson eText -- Combo Access Card -- for Essential Cosmic Perspective-- 18 months
9th Edition
ISBN: 9780137343102
Author: Bennett, Jeffrey, Donahue, Megan, SCHNEIDER, Nicholas, Voit, Mark
Publisher: PEARSON
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Textbook Question
Chapter 11, Problem 26EAP
Which of these groups of particles has the greatest mass? (a) a helium nucleus with two protons and two neutrons (b) four electrons (c) four individual protons
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A certain radioactive isotope has a half-life of 55 days. About how long would you have to wait before 1/10001/1000 of an initial sample of this isotope remained?
20 days
40 days
50 days
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Sketch a diagram of a boron atom, which has five protons and six neutrons in its nucleus.
ACROSS
1- light nuclei fuse together to form to a heavier nucleus
2- subatomic particle with a positive charge
3- isotope of hydrogen with 1 proton and 1 neutron
4- the lightest element
5- isotope of hydrogen with I proton and 2 neutrons
6- with a negative charge
7- symbol for lithium
8- symbol for helium
DOWN
1- creates new atomic nucleus from preexisting nucleons
2- subatomic particle with a zero charge
3- symbol for beryllium
4- densely part of an atom containing p and n
5- ability to do work
Chapter 11 Solutions
Modified Mastering Astronomy with Pearson eText -- Combo Access Card -- for Essential Cosmic Perspective-- 18 months
Ch. 11 - Prob. 1VSCCh. 11 - Prob. 2VSCCh. 11 - Prob. 3VSCCh. 11 - Prob. 1EAPCh. 11 - Prob. 2EAPCh. 11 - Prob. 3EAPCh. 11 - Prob. 4EAPCh. 11 - Prob. 5EAPCh. 11 - Prob. 6EAPCh. 11 - Prob. 7EAP
Ch. 11 - Prob. 8EAPCh. 11 - Prob. 9EAPCh. 11 - Prob. 10EAPCh. 11 - Prob. 11EAPCh. 11 - Prob. 12EAPCh. 11 - Prob. 13EAPCh. 11 - Prob. 14EAPCh. 11 - Prob. 15EAPCh. 11 - Prob. 16EAPCh. 11 - Prob. 17EAPCh. 11 - Prob. 18EAPCh. 11 - Prob. 19EAPCh. 11 - Prob. 20EAPCh. 11 - Prob. 21EAPCh. 11 - Prob. 22EAPCh. 11 - Prob. 23EAPCh. 11 - Prob. 24EAPCh. 11 - Prob. 25EAPCh. 11 - Which of these groups of particles has the...Ch. 11 - Prob. 27EAPCh. 11 - Prob. 28EAPCh. 11 - Prob. 29EAPCh. 11 - Prob. 30EAPCh. 11 - Prob. 31EAPCh. 11 - Prob. 32EAPCh. 11 - Prob. 33EAPCh. 11 - 34. What causes the cycle of solar activity? (a)...Ch. 11 - 35. Which of these things poses the greatest...Ch. 11 - Prob. 37EAPCh. 11 - Prob. 38EAPCh. 11 - Prob. 39EAPCh. 11 - Prob. 41EAPCh. 11 - Prob. 42EAPCh. 11 - Prob. 43EAPCh. 11 - Prob. 44EAPCh. 11 - Prob. 45EAPCh. 11 - Prob. 46EAPCh. 11 - Prob. 47EAPCh. 11 - Prob. 48EAPCh. 11 - Research: Current Solar Weather. Daily information...Ch. 11 - Prob. 51EAPCh. 11 - Prob. 52EAPCh. 11 - Prob. 53EAPCh. 11 - Prob. 54EAPCh. 11 - Prob. 55EAPCh. 11 - Prob. 56EAP
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- What are the formulas for the three steps in the proton-proton chain?arrow_forwardIn a cyclotron facility, 106 atoms of F-18 were created. The half-life of F-18 is 110 minutes. After the target has sat and decayed for 220 minutes, how many F-18 atoms are left? 3.0 x 105 atoms 1.5 x 105 atoms 2.5 x 105 atoms 2.0 x 105 atomsarrow_forwardto form a lithium ion, a lithium nucleus that contains three protons and four neutronsarrow_forward
- A radioactive element has a half life of 25 hours. After what time will 1/8 of initial number of its atom disintegrate? After what time will 1/32 of the initial number remain unchanged?arrow_forwardThe Hydrogen 3 nucleus (also called Tritium) consists of: a) two neutrons and one proton O b) two protons and one neutron c) two neutrons and two protons ) d) two neutrons and no protonsarrow_forwardThe half life of a radioactive isotope 'X' is 20 years. It decays to another element 'Y' which is stable. The two elements 'X'and 'Y' were found to be in the ratio 1:7 in a sample of a given rock. The age of the rock is estimated to be: (1) 100 years (2) 40 years (3) 60 years (4) 80 yearsarrow_forward
- What is a fusion reaction? O The process of splitting the nucleus of an atom O The process of combining nuclei to form a larger nucleus O The process of changing the physical arrangement of particles O The process of combining atoms together into a moleculearrow_forwardAssume the half life of some radioactive element is 100 years. After 300 years have gone by, how much of the original radioactive element is left? 1/2 O 1/4 1/8 1/16arrow_forwardA hypothetical radioactive isotope has a half life of 10 minutes. If you start with 100 grams of this isotope, after 30 minutes, how many grams will you have left of this radioactive isotope, and how many grams of its daughter isotope?arrow_forward
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