QQuestionChemistry
QuestionChemistry
2. Which of the following is the correct Lewis electron-dot diagram for the sodium atom?
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Answer
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Step 1:: Understand the problem
We are asked to draw the correct Lewis electron-dot diagram for a sodium atom. A Lewis electron-dot diagram shows the core nucleus of an atom and its valence electrons. Sodium (Na) is in the 3rd period of the periodic table and has one valence electron.
Step 2:: Draw the core nucleus
Begin by drawing the core nucleus of the sodium atom, which is represented by the symbol "Na".
Step 3:: Add the valence electron
Add one valence electron to the sodium atom. In a Lewis electron-dot diagram, valence electrons are represented by dots around the nucleus.
Final Answer
The correct Lewis electron-dot diagram for the sodium atom is: \mathrm{Na:} \ \ \overset{\Large \cdot}{\mathrm{Na}} This diagram shows the sodium atom with one valence electron.
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