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What is the electronic configuration of a sodium ion (Na+)?
What is the electronic configuration of a sodium ion (Na+)?
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Practice Questions
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Q1
What is the electronic configuration of a sodium ion (Na+)?
1s2 2s2 2p6
1s2 2s2 2p6 3s1
1s2 2s2 2p5
1s2 2s2 2p6 3s2
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Sodium ion (Na+) has lost one electron, resulting in the configuration 1s2 2s2 2p6.
Questions & Step-by-step Solutions
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Q
Q: What is the electronic configuration of a sodium ion (Na+)?
Solution:
Sodium ion (Na+) has lost one electron, resulting in the configuration 1s2 2s2 2p6.
Steps: 5
Show Steps
Step 1: Understand that sodium (Na) has an atomic number of 11, which means it has 11 electrons when it is neutral.
Step 2: Write the electronic configuration for neutral sodium (Na), which is 1s2 2s2 2p6 3s1.
Step 3: Recognize that a sodium ion (Na+) is formed when sodium loses one electron.
Step 4: Remove one electron from the outermost shell (3s), which leaves us with 1s2 2s2 2p6.
Step 5: Conclude that the electronic configuration of a sodium ion (Na+) is 1s2 2s2 2p6.
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