How can you identify halides?
A compound consisting of a halogen and a more electropositive atom
A halide is a compound that consists of a halogen atom (any of the group 7 elements) and a positively charged, less electronegative atom.
For example, an alkyl halide is a compound that has the general formula:
A metal halide consists of a metal (Group 1 or 2 element) and a halogen. Table salt (NaCl) is a good example of a metal halide.