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The Electron Configuration (Simplified)
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The Electron Configuration (Simplified)
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2. Atoms and the Periodic Table / The Electron Configuration (Simplified) / Problem 3
Problem 3
Identify the element that has the following electron configuration: 1s
2
2s
2
2p
6
3s
1
A
Potassium (K)
B
Sodium (Na)
C
Magnesium (Mg)
D
Calcium (Ca)
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