answer:The correct answer for NaHCO is **Sodium Bicarbonate**. Here's why:* **Na:** Represents the element Sodium.* **H:** Represents the element Hydrogen.* **C:** Represents the element Carbon.* **O:** Represents the element Oxygen.The chemical formula NaHCO3 represents a compound containing one sodium atom (Na), one hydrogen atom (H), one carbon atom (C), and three oxygen atoms (O). This compound is commonly known as sodium bicarbonate, baking soda, or bicarbonate of soda.