eler to the figure below: 2 Theta 29. What is the figure? a. X-ray spectrum b. XRD patten c. Polygraph 30. The most intense line corresponds to: a. The Beta wave b. Best-reflecting mineral plane c. Silicon (Si) d. Manganese (Mn) e. None of the above 31. These data could be used to: Determine how many unit cells are present in the crystal measured b. Look up the identity of the mineral in a database c. Calculate interplanar spacings. d., Calculate the unit cell parameters e. All but a

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Group 14 Elements

The following elements come under group 14 of the periodic table.