The atomic radius of metal x is 1. 40×102 picometers (pm) and a crystal of metal x has a unit cell that is face-centered cubic. Calculate the density of metal x (atomic weight = 42. 3 g/mol).

Based on calculations, students should have 10.4 grams of powder after conducting an experiment. the students get these results: 10.2 grams, 10.4 grams, 10.3 grams, 10.4 grams, and 10.5 grams. which words best describe this data? check all that apply. a- accurate b- falsified c-invalid d-precise e-redundant