Atoms- The Building blocks of matter Crossword

center of the atom
believed to make up all other known particles in the nucleus
the key to the power of the sun
the weakest force known in nature
a particle smaller than an atom
a positively charged stable subatomic particle
unit of mass used to express atomic and molecular weights
a subatomic particle of about the same mass as a proton but without an electric charge
the number of protons in the nucleus of an atom
a form of a chemical element whose atomic nucleus contains a specific number of neutron
the total number of protons and neutrons in a nucleus
mass of an atom of a chemical element expressed in atomic mass units
a stable subatomic particle with a charge of negative electricity that is found in all atoms
an informal term in physics that is used to describe where electrons are when they go around the nucleus of an atom
each hold a certain number of electrons
acts between charged particles and is the combination of all electrical and magnetic forces
the force that holds particles together in the atomic nucleus and the force that holds quarks together in elementary particles