GCAP General Education Midterm Practice Exam 2025 – Complete Study Guide

Question: 1 / 400

Which element is represented by the chemical symbol Na?

Calcium

Potassium

Sodium

The element represented by the chemical symbol Na is sodium. This symbol comes from the Latin word "Natrium," which refers to sodium. Sodium is an alkali metal found in group 1 of the periodic table and is known for its highly reactive properties, especially with water, where it produces sodium hydroxide and hydrogen gas. This element is essential for various biological functions, including nerve impulse transmission and muscle contraction.

Calcium, potassium, and magnesium represent different elements with distinct chemical symbols (Ca for calcium, K for potassium, and Mg for magnesium) and properties that differentiate them from sodium. Sodium's unique position in the periodic table and its characteristics make it easily identifiable by its symbol Na.

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Magnesium

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