This printable crossword puzzle on the topic of Elements & Periodic Table has 24 clues. Answers range from 6 to 24 letters long. This crossword is also available to download as a Microsoft Word document or a PDF.
electromagnetic radiation
wavelength
frequency
photons
quantized energy levels
wave mechanical model
orbital
principal energy levels
sublevels
pauli exclusion principle
electron configuration
orbital diagram
box diagram
valence electrons
core electrons
lanthanide series
actinide series
main group elements
representative elements
metals
nonmetals
metalloids
ionization energy
atomic size