QQuestionAnatomy and Physiology
QuestionAnatomy and Physiology
How many valence electrons does hydrogen have?
A. 0
B. 1
C. 2
D. 3
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Answer
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Step 1: Understand the problem
The problem asks for the number of valence electrons in a hydrogen atom. Valence electrons are the outermost electrons in an atom and are involved in the formation of chemical bonds with other atoms.
Step 2: Recall relevant information
Hydrogen is in the first period of the periodic table and has an atomic number of 1. This means that there is only one proton in the nucleus and one electron orbiting around it.
Final Answer
Hydrogen has 1 valence electron.
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