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Positive hydrogen ions form during intermediate stages of photosynthesia. What is the composition of these ions?

A. a proton and two electrons

B. a single proton

C. two protons and an electron

D. a proton and an electron

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Answer:

The correct option is B. a single proton.

Explanation:

During intermediate stages of photosynthesis, water molecules are broken down releasing oxygen (O₂), hydrogen ions (H⁺) and electrons. Hydrogen ions and electrons are used in subsequent stages.

The produced hydrogen ions (H⁺) are composed by only a proton, without electrons. These positive ions are formed when a neutral hydrogen atom (H, with 1 proton and 1 electron) loses its single electron.

Therefore, the correct option is B. a single proton.

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