Lithium, beryllium, and boron (Z = 3, 4, and 5, respectively) have very low abundances in the
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Lithium, beryllium, and boron (Z = 3, 4, and 5, respectively) have very low abundances in the cosmos compared to many heavier elements (see Figure 13-33). Considering the fusion of He to C, explain these low abundances.
Figure 13-33
Transcribed Image Text:
Relative abundance 1 10-² 10-4 10-8 10-8 10-10 10-12 0 Hydrogen Helium Carbon Oxygen Neon 1 10 Magnesium Nitrogen Boron Lithium Beryllium Silicon -Sulfur Argon Iron Calcium Nickel 1 20 30 Atomic number, Z 40 50
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The fusion of 1 H to 4 He proceeds via the protonproton ...View the full answer
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