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Complete the table of the following element.

Element: Sodium Symbol: Na # Protons:___ # Neutrons:___ # Electrons:___ Atomic Number:___ Atomic Mass:___

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Answer:

Protons: 11, Neutrons: 12, Electrons: 11 (if it isn't an ion), Atomic number: 11, Atomic mass: 23

Explanation:

The atomic number is equal to the number of protons. Electrons are equal to protons if the atom isn't an ion. Neurons are the atomic mass minus the number of protons.

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