/ka gaku/ chemistry
/gen so/ element
/shuu/
/ki/
/hyou/ => /shuu ki hyou/ periodic table
/gen shi/ atom
/ban/
/gou/ => /gen shi ban gou/ atomic number
/ryou/ => /gen shi ryou/ atomic mass
/kaku/ => /gen shi kaku/ nucleus
/you shi/ proton
/den shi/ electron
/chuu sei shi/ neutron
/ki dou/ orbit
/bun shi/ molecule