Answer
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Step 1: Understand the question
The question asks about the number of valence electrons in a hydrogen atom. Valence electrons are the outermost electrons in an atom that can participate in the formation of chemical bonds with other atoms.
Step 2: Recall relevant information about hydrogen
Hydrogen is the first element in the periodic table, with an atomic number of 1. This means that a neutral hydrogen atom has one proton and one electron.
Final Answer
Hydrogen has 1 valence electron.
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