QQuestionChemistry
QuestionChemistry
What is the total number of valence electrons in a water molecule?
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Answer
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Step 1:I'll solve this step-by-step following the LaTeX formatting guidelines precisely:
Step 2:: Identify the atoms in a water molecule
- Water ($$H_{2}O$$) consists of two hydrogen atoms and one oxygen atom
Step 3:: Determine valence electrons for hydrogen
- Total hydrogen valence electrons: $$1 \times 2 = 2$$ electrons
- Hydrogen (H) is in Group 1A
Step 4:: Determine valence electrons for oxygen
- Total oxygen valence electrons: $$6 \times 1 = 6$$ electrons
- Oxygen (O) is in Group 6A
Step 5:: Calculate total valence electrons
- $$2 + 6 = 8$$ valence electrons
- Total valence electrons = Hydrogen electrons + Oxygen electrons
Final Answer
The water molecule (H_{2}O) contains 8 total valence electrons.
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