دانلود پاورپوینت The s-Block Elements

Chapter summary Characteristic properties of the s-block elements Variation in properties of the s-block elements Variation in properties of the s-block compounds Uses of compounds of the s-block elements Characteristic properties of s-block elements Metallic character Low electronegativity Basic oxides, hydroxides Ionic bond with fixed oxidation states Characteristic flame colours Weak tendency to from complex Metallic character High tendency to lose e- to form positive ions Metallic character increases down both groups شامل 55 اسلاید powerpoint   ...