Question

Define a compound. Give two evidence to show that NaCl is a compound

Answer 1

A compound is a substance formed when two or more chemical elements are chemically bonded together. ... Water: two hydrogen atoms bonded to an oxygen atom. The type of bonds holding elements together in a compound can vary: two common types are covalent bonds and ionic bonds.
Evidence that NaCl is a compound-
1. Compounds cannot be separated by simple physical means and to separate Sodium Chloride into Sodium and chloride we have to use chemical methods.
2. NaCl does not show properties of either Sodium(Na) or Chlorine (Cl) which is a characteristic property for defining a compound.