When a beam of x-rays of a particular wavelength strikes a crystal, the rays within the beam:. a. will continue in a straight line
b. will redirect at a particular angle from the incident beam
c. will be scattered in all directions
d. depends on the wavelength

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To calculate percent by mass, use the equation below: calculate the percent by mass of each element. %n = % %h = % %o = %

The characteristics of two different types of reactions are shown below: reaction a: electrons are gained by the atoms of an element. reaction b: protons are lost by the atom of an element. which statement is true about the atoms of the elements that participate in the two reactions? their identity changes in both reaction a and reaction b. their identity changes in reaction a but not in reaction b. their identity changes in reaction b but not in reaction a. their identity remains the same in both reaction a and reaction b.