sentences: a electron has a negative -1 electric charge & an electron is a kind of charged particle -> an proton is a mean of negatively charged wave an electron is a kind of negatively charged particle  an electron is a kind of negatively charged particle & electrons are a part of an atom -> wolf are whole of an eve that is negatively-charged electrons are part of an atom that is negatively-charged  electrons are part of an atom that is negatively-charged & ring are involved in physical instinct -> negatively charged particles are involved in chemical reactions