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Chapter 42: Q.55 (page 1237)

We’ve noted that fewer than $10 %$ of the known nuclei are stable (i.e., not radioactive). Because nuclei are characterized by two independent numbers, $N$ and $Z$ , it is useful to show the known nuclei on a plot of neutron number $N$ versus proton number $Z$ .

Short Answer

Expert verified

Earth when it was born 86.1 greater than the number of uranium atoms.

Step by step solution

NU=NU0 12 It/2 Uranium Atoms:

Ratio of NU0/NU

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We’ve noted that fewer than $10 %$ of the known nuclei are stable (i.e., not radioactive). Because nuclei are characterized by two independent numbers, $N$ and $Z$ , it is useful to show the known nuclei on a plot of neutron number $N$ versus proton number $Z$ .

Short Answer

Step by step solution

NU=NU0 12 It/2 Uranium Atoms:

Ratio of NU0/NU

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Most popular questions from this chapter

Recommended explanations on Physics Textbooks

Engineering Physics

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We’ve noted that fewer than 10%of the known nuclei are stable (i.e., not radioactive). Because nuclei are characterized by two independent numbers, Nand Z, it is useful to show the known nuclei on a plot of neutron number Nversus proton numberZ.

Short Answer

Step by step solution

NU=NU0 12 It/2 Uranium Atoms:

Ratio of NU0/NU

One App. One Place for Learning.

Most popular questions from this chapter

Recommended explanations on Physics Textbooks

Engineering Physics

Particle Model of Matter

Quantum Physics

Classical Mechanics

Work Energy and Power

Famous Physicists

Study anywhere. Anytime. Across all devices.

We’ve noted that fewer than $10 %$ of the known nuclei are stable (i.e., not radioactive). Because nuclei are characterized by two independent numbers, $N$ and $Z$ , it is useful to show the known nuclei on a plot of neutron number $N$ versus proton number $Z$ .