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
Electronegativity:
Low nuclear attraction for outer electrons
Highly electropositive
Small electronegativity
شامل 55 اسلاید powerpoint
دانلود پاورپوینت The s-Block Elements