1.IonicBond•Gainingorlosingelectrons•UsuallyformedbybondingbetweenMETALandNONMETAL•Forceofattractionbetweentheoppositechargesoftheions2.CovalentBond•Sharingelectrons•2NONMETALS 7 DiatomicMolecules •Covalentbonds•Moleculethathas2atomsofthesameelement•H2,N2,O2,F2Cl2,Br2,I2,At2 Electronegativity...
应科学划分机关内部各 部门的职责范围与工作 任务，杜绝办文过程中 的推诿现象