Neutrons, like electrons and photons, are particle-waves whose diffraction patterns can be used to determine the structures of molecules Calculate the kinetic energy (in J) of a neutron with wavelength 81.4 pm.

a galvanic cell( aka voltaic cell) and electrolytic cell

explanation:

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answer; economic order quantity;

answer: atomic mass was originally used to arrange elements on the periodic table, but is no longer used to organize the modern version.

explanation:

originally atomic mass was used to arrange elements on the periodic table from left to right in a row. each column then shows similar properties of elements of a group.

in modern periodic table, the atoms are arranged in increasing atomic number. as atomic number represents the number of protons in an atom which is unique for every atom.