QQuestionChemistry
QuestionChemistry
How many valence electrons do barium and phosphorus have, respectively?
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Answer
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Step 1: Recall the definition of valence electrons.
Valence electrons are the outermost electrons in an atom and are involved in the formation of chemical bonds with other atoms. The number of valence electrons can be found by looking at the periodic table and identifying the group number for each element.
Step 2: Identify the group numbers for barium and phosphorus.
- Barium is located in group 2 of the periodic table. - Phosphorus is located in group 15 of the periodic table.
Final Answer
Barium has 2 valence electrons and phosphorus has 5 valence electrons.
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