Question

Oxygen reacts with other elements is called oxide there are also many other such elements what is this naming method called

Answer 1

Dear Student,
there is no name of such method, we can say it compound naming.
Negative ions that consist of a single atom are named by adding the suffix -ide to the stem of the name of the element.​
like sulphide -S^-2 , oxide-O^-2, bromide Br^-, chloride Cl^-, etc