using cells, which are the basic building blocks in eryakal stracture. a. Cube; micro b. Veclor, bio c. Cubc: anit d. L.arice; unit 2. In the hexagonal close-packed structure, there are effectively bow many ateen per unit exil? a. 2 b. 4 c. 6 d. 8 3. tend to have the lowest densities because they ase oflen amorphous and are usaally lighter elements. On the other hand, useally have the hiphest densities. a. Polymers; Metals b. Polymers; Ceramics c. Cenamics, Polymetss d. Ceramics; Metals 4. A lineaf of onc-ditnerisional defoct areund which soine of the atoens ate misaligned is: called what? a. Point defect b. Interstitial c. Dislocation d. Atamic misalignnent 5. The theoretical densily coesiders what? (Carcle all that apply) a. Aboms per unill cell b. Electron configuration of the atoms c. Atomic wcight of the atom d. Volume of the unit cell e. Lincar chain length f. Processing conditions 6. Alumiam, Corper, and Nickel all have a stracture: a. BCC b. FCC c. HCP d. RCP 7. Two of mose datinct erybtal structures for the sarne malerial to termed whar? a. Allotropy b. Anisotrapy c. Iseeropy d. Amorphons