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Nuclear Stability Relative Stability of Different Nuclei Nuclear Stability Relative Stability of Different Nuclei

Nuclear Stability Relative Stability of Different Nuclei - PowerPoint Presentation

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Uploaded On 2018-11-09

Nuclear Stability Relative Stability of Different Nuclei - PPT Presentation

Two Methods Which isotopes Binding Energy What holds an atom together Forces of Nature and Atomic Structure Band Island of Stability NZ ratio Number of stable isotopes Isotope trends among the elements ID: 724020

isotopes stability decay stable stability isotopes stable decay strength atomic mol pdf http elements bond isotope number island modes

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Presentation Transcript

Slide1

Nuclear Stability

Relative Stability of Different NucleiSlide2
Slide3

Two Methods

Which isotopes?

Binding EnergySlide4

What holds an atom together?

Forces of Nature and Atomic Structure:Slide5

Band (Island) of Stability

N/Z ratio

Number of stable isotopesSlide6

Isotope trends among the elements:

http://kcvs.ca/isotopesmatter/iupacMaterials/javascript/Interactive%20Periodic%20Table%20of%20the%20Isotopes/HTML5/index.html

 

pdf:

http://ciaaw.org/pubs/Periodic_Table_Isotopes.pdfSlide7
Slide8

Isotope trends among the elements:Slide9

Binding Energy, but first…

Comparing stability:

O-O single bond strength = 146 kJ/mol

O=O double bond strength = 496 kJ/mol

Which is more stable, O

2

or O

3

?

O

2

: O=O

O

3

: O=O-OSlide10
Slide11
Slide12

Predict what you think the trend will be:

As atomic number increases, what will happen to stability?Slide13

Split up class and do:Slide14

Do all isotopes using Excel

Isotopedata_stable.xlsSlide15
Slide16
Slide17
Slide18
Slide19
Slide20
Slide21

Modes of Radioactive DecaySlide22

U-238 Decay Series

And … the

problem with radon.Slide23
Slide24

Decay modes and

the island of stability.Slide25