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The nucleus of a hydrogen atom consists of 

Chemistry
WAEC 2025

The nucleus of a hydrogen atom consists of 

  • A. one proton only
  • B. one proton and one neutron
  • C. one neutron only
  • D. one electron only
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Correct Answer: Option A
Explanation

The nucleus of an ordinary hydrogen atom (specifically the most abundant isotope, protium) consists of a single proton. 

Atomic Number: Hydrogen has an atomic number of 1, meaning it contains exactly one proton.

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