Ontario Registered Pharmacy Technician (RphT) Practice Exam

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Na is the chemical symbol for which element?

Nitrogen
Nickel
Copper
Sodium

The correct answer is: Sodium

Each element in the periodic table is represented by a unique chemical symbol, and Na happens to be the symbol for sodium. Nitrogen (N), nickel (Ni), and copper (Cu) are all incorrect options because they have their respective chemical symbols already. It is important to memorize the chemical symbols for some of the most common elements in order to better understand chemical formulas and reactions.