A Debye-Schemer pattern is made of silicon, which has the same structure as diamond, with Cu Ka radiation. What are the indices of the first two lines on the pattern, and what is the ratio of the integrated intensity of the first to that of the second?

How has the scientific community addressed the safety of chemicals? a. chemicals are repeatedly tested, even those that have existed for a long time. b. existing chemicals are tested if they have never been tested before. c. chemicals are tested if they are suspected to have caused a problem. d. only new chemicals are tested.

What is the mass of each element in a 324.8 sample of co2

Give the orbital configuration of the phosphorus (p) atom.