Sodium Has an Atomic Number of 11 and an Atomic

question 173

Multiple Choice

Sodium has an atomic number of 11 and an atomic mass of 23. Sodium has ________.

• A) 12 neutrons and 11 protons
• B) 12 protons and 11 neutrons
• C) 12 electrons and 11 neutrons
• D) 12 protons and 11 electrons
• E) 12 electrons and 11 protons

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Cardinal Principle

A basic principle or rule that serves as the foundation for a system of belief or behavior.

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The action of determining the total number of objects in a collection.

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