QQuestionAnatomy and Physiology
QuestionAnatomy and Physiology
Hydrogen has one proton and one electron. It is in column 1 on the periodic table. 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 1I'll solve this step by step following the LaTeX formatting guidelines:
Step 2: Understand the definition of valence electrons
- Valence electrons are the electrons in the outermost shell of an atom - These electrons are responsible for chemical bonding and reactivity
Final Answer
Key Insight: In hydrogen's case, its single electron is also its valence electron, making the solution straightforward. The column number on the periodic table directly indicates the number of valence electrons for main group elements.
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