ESSENTIAL COSMIC PERSPECTIVE - ACCESS CA
9th Edition
ISBN: 9780135795125
Author: Bennett
Publisher: PEARSON
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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
100 days
1000 days
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
Assume 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
1/16
Chapter 11 Solutions
ESSENTIAL COSMIC PERSPECTIVE - ACCESS CA
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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Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, physics and related others by exploring similar questions and additional content below.Similar questions
- What are the formulas for the three steps in the proton-proton chain?arrow_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_forwardUranium, an important component of both nuclear weapons and nuclear reactors, has two major isotopes—U-238, which has a half-life of approximately 4.5 billion years, and U-235, which has a half-life of approximately 700 million years. Both were present in equal amounts at the time of the creation of the Earth, 4.5 billion years ago. How many billion years after the creation of the Earth had the amount of radiation from uranium decayed to half the amount present at the time of the creation of the Earth? (Round your answer to the nearest hundredth of a billion years.)arrow_forward
- If carbon-14 underwent beta decay, what is the resulting nucleus?arrow_forwardFour protons are combined in the proton-proton chain to make one helium nucleus. But, a helium nucleus only contains two protons. What has happened to two of the protons from the first step of the chain?arrow_forwardWhat are the three isotopes of hydrogen, and how do they differ?arrow_forward
- What force keeps the all stars from flying apart? (18.3) (a) nuclear force (b) gravitational force (c) radiation pressure (d) electrical forcearrow_forwardAdd a fourth column to Table 13-1 and write in the atomic mass for each rows fuel element (see Appendix Table A-14). Review the curve of binding energy, Figure 8-15. Explain the trend of fusion time versus fuel atomic mass.arrow_forwardIf carbon-14 has a half life of 5,730 years and a sample contains 50 moles originally, how much is left after 17,190 years? Which of the following is true? If Metal A has twice the thermal conductivity of Metal B. (Metal B will melt), (Metal B would be a better), (Metal A will transfer thermal energy across), (Metal A will melt).arrow_forward
- Carbon-14 (14C) is a radioactive isotope of carbon with a half-life of 5730 years—meaning that half of the 14C in a sample decays into 14N during that time. Suppose a scientist analyzes a sample of ancient plant material from a bog and finds that it contains 1/8th as much 14C as when it formed. Roughly how old is the sample? _____ yearsarrow_forwardCarbon-14 is radioactive while Carbon-12 is stable. In your body, the ratio of C-14 to C-12 is for every 10,000 C-14 atoms, there are 1 trillion (1,000,000,000,000) C-12 atoms. This is the normal ratio for livings things. In a piece of a sabre-tooth tiger bone, a scientist finds there are only 625 C-14 atoms for every 1 trillion C-12 atoms.How old is the sabre-tooth tiger bone? The half-life for Carbon-14 is 5730 years.arrow_forwardThe nuclear process whereby multiple hydrogen atoms are combined under intense pressure and high temperature producing helium and releasing energy is called 1) fusion 2) fissionarrow_forward
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