In each of the following three problems the powder pattern of an element is represented by the observed sin2 values of the first seven or eight lines on the pattern, made with CuK radiation. In each case, index the lines, find the crystal system, Bravais lattice, and approximate lattice parameter (or parameters), and identify the element from the information given in the table attached. Chertal Ctmintwman nfc1nmn L1 Cmants - urdinary Iorm oI an element mat exists, or ts thougnt to exist, in more than one torm. Quadratic Forms of Miller Indices