Answer
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Step 1: Recall the electron configuration for calcium.
The electron configuration for calcium is $$1s^2 2s^2 2p^6 3s^2 3p^6 4s^2$$.
Calcium (Ca) is an element in the fourth period of the periodic table, so it has 4 energy levels. Its atomic number is 20, which means it has 20 electrons.
Step 2: Write the Lewis structure for calcium.
To write the Lewis structure for calcium, we need to represent its valence electrons. Since calcium has 2 valence electrons in the 4s orbital, our Lewis structure will consist of two dots around the symbol Ca.
Final Answer
The Lewis dot diagram for calcium is shown above, with two valence electrons represented by the dots around the Ca symbol.
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