无机物英语命名法一单原子离子1正离子Cu copper(Ⅰ)Cu2 copper(Ⅱ)2负离子 -ideSulfide S2-Nitride N3-Oxide O2-氟fluorine F- fluoride氯chlorine Cl- chloride溴 bromine Br- bromide二多原子离子1 -ate