Sodium has an atomic mass of 23 and an atomic number of 11, so the number of neutrons must be
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1) when you rub your hands together quickly, the kinetic energy is converted to mechanical energy.2) thermal energy from the sun travels to earth as infrared waves.3) energy is transferred through the matter of space by electromagnetic waves. 4) when a match is burned, chemical potential energy is converted to thermal and radiant energy. 5) seismicwaves are caused by back and forth movement , or vibration, of an object. 6) mechanicalenergy in an engine changes thermal energy into kinetic energy to make a car move.

Your answer is 32 hope i  

Newton's first law describes something special that results from the sum of all the external forces (including gravity) on an object.