* Ionic Compounds: These are formed by the electrostatic attraction between positively charged ions (cations) and negatively charged ions (anions).
* Sodium chloride (NaCl) forms when sodium (Na) loses an electron to become a positively charged ion (Na+) and chlorine (Cl) gains an electron to become a negatively charged ion (Cl-). These oppositely charged ions attract each other strongly, forming a crystal lattice structure.
Let's look at why other options aren't the best fit:
* Covalent Compound: These are formed when atoms share electrons. While sodium and chlorine are involved in the formation of sodium chloride, they don't share electrons, they transfer them.
* Mixture: A mixture is a combination of two or more substances that are not chemically bonded. Sodium chloride is a chemically bonded compound.
* Element: An element is a pure substance consisting of only one type of atom. Sodium chloride contains two different types of atoms (sodium and chlorine).
In summary: Sodium chloride is a classic example of an ionic compound, formed by the electrostatic attraction between positively and negatively charged ions.
