Elements that gain or accept electrons and form anions are called non-metals. They are electronegative in nature.
Note: Any five of the mentioned examples of non-metals can be used to answer the given question:
(i) Carbon (C)
(ii) Oxygen (O)
(iii) Sulphur (S)
(iv) Nitrogen (N)
(v) Flourine (F)
(vi) Phosphorus (P)
(vii) Sulphur (S)
(viii) Chlorine (Cl)