Which scientist proposed a modification to the theory of atomic structure that established electron energy levels, or shells?
a. niels bohr
b. james chadwick
c. ernest rutherford
d. erwin schr��dinger

Part of molten rock at mid-ocean ridges

What does a particular point on a line of a phase diagram represent? o a. the maximum temperature a substance can exist at without bonds breaking b. the pressure created by the kinetic energy of molecules at a particular temperature c. the melting point or boiling point of a substance at a specific pressure d. the conditions in which temperature and pressure have equal effects on a substance

One does not belong why? ice, gold ,wood ,diamond and table salt