This printable word search puzzle on the topic of Elements & Periodic Table contains 18 hidden words in a 17x17 letter grid. Words go horizontally, vertically, and backwards. This word search is also available to download as a Microsoft Word document or a PDF.
atomic mass unit
electron cloud
atomic number
mass number
atomic mass
superscript
subscript
negative
positive
electron
isotope
neutron
nucleus
neutral
proton
cation
anion
atom