Methane \\\\(CH_4\\\\) is electron-precise hydride.Diborane \\\\(B_2H_6\\\\) is electron-deficient hydrideAmmonia \\\\(NH_3\\\\) and water \\\\(H_2O\\\\) are electron-rich hydrides.Elements of group 14 form electron-precise (having required number of electrons to write the Lewis structure ) form precise hydrides.