Iron oxide (FeO) has the rock salt crystal structure and a density of 5.70 g/cm3 . (a) Determine the unit cell edge length. (b) How does this result compare with the edge length as determined from the radii in Table 12.3, assuming that the Fe2 and O2 ions just touch each other along the edges?
Week 2 Notes Tuesday, September 6, 2016 11:06 AM • Political Beliefs vs. Political Facts ○ We know what we believe: politicalbeliefs form cliques of those who believe similarly ○ We must be able to distinguishthe differencebeliefs and facts Media warps our perception throughcontemporarypoliticalactors,thus some beliefs are not based on fact ○ Throughlearning what people believe, we are able to interact, cooperate,and compete • A Tale of Two Groups ○ Group I: Politicalactors& commentators Two goals: to seek power/changepolicy, and to entice us to agree with them using any info available,even factually incorrectinfo or used in the wrong context. ○ Group 2: Politicalscientis