In any cubic lattice an atom lying at the corner of a unit cell is shared equally by how many unit cells? a. 8 b. 6 c. 1 d. 2 e. 4

each chemical family is represented as a group or column on the periodic table. based on chemical properties, there are 6 types of chemical families. group 1 represents alkali metals, group 2 represents alkaline earth metals, groups 3 to 12 represent transition metals, groups 13 to 16 represent non-metals and other metals, group 17 represents halogens and group 18 represents noble gases.