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Sodium has the largest atomic size in the third period.

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11y ago
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8y ago

Potassium is in the period 3,group 1. It is chemically represented by K.

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8y ago

The element is potassium. It has chemical symbol K.

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Sodium is in period 3 group 1.It is represented by Na.It has atomic number of 11.

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This element is sodium.

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Q: What is the largest element of Period 3 on the Periodic table?
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