QQuestionChemistry
QuestionChemistry
How do I determine valence electrons from the periodic table?
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Answer
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Step 1I'll explain how to determine valence electrons from the periodic table step by step:
Step 2: Understand Valence Electrons
Valence electrons are the electrons in the outermost shell of an atom, which are responsible for chemical bonding and chemical properties.
Final Answer
To determine valence electrons: 1. Identify the element's group number on the periodic table 2. For Groups 1 - 2: Valence electrons = Group Number 3. For Groups 13 - 18: Valence electrons = Group Number - 10 4. For transition metals: Consult specific electron configuration
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