This printable word search puzzle on the topic of Elements & Periodic Table contains 27 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.
alkaline earth metals
electron cloud
alkali metals
energy level
lanthanides
noble gases
mass number
reactivity
potassium
actinides
halogens
electron
mercury
nucleus
valence
neutron
silver
copper
stable
period
proton
group
lead
iron
gold
zero
atom