This printable word search puzzle contains 20 hidden words in a 24x24 letter grid. Words go horizontally, vertically, backwards, and diagonally. This word search is also available to download as a Microsoft Word document or a PDF.
electronegativity
valence electrons
periodic table
nuclear charge
atomic radius
atomic number
alkail metal
atomic mass
noble gases
reactivity
metalliod
nonmetal
halogens
element
period
inert
group
metal
atom
ion