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AP Physics 2/Unit 15 – Modern Physics
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Proton-Proton Chain Net Reaction

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Which of the following represents the net reaction for the proton-proton chain, the fusion process that occurs in the Sun?

A

¹H + ³He → ⁴He + energy

B

⁴He → 4¹H + energy

C

4¹H → ⁴He + 2e⁺ + 2νₑ + energy

D

²H + ²H → ⁴He + energy

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