Classwork Series and Exercises {Chemistry – SS2}: Families of Elements

Week: 3 Topic: Families of Elements Group 1:  Alkali Metals The members of this family include: lithium (Li), sodium (Na), potassium (K), rubidium (Rb), cesium (Cs) and francium (Fr). They are soft metallic solids, with metal properties such as: One valence electron  Shiny and lustrous High thermal and electrical conductivities Low densities, increasing with atomic [...]