Kinetic energy is the energy and object has as a result of its motion
C. The mass of an atom is greater than the combined masses of an atom's protons and electrons.
Existence of a neutron is predicted by Rutherford in 1920. So he explained difference between an atomic mass and an atomic number.
Answer:
H20 is a compound
Explanation:
(H2O) is a compound consisting of two hydrogen atoms bonded to an oxygen atom.
the decay of the neutrons in the nucleus of the atom
