This printable crossword puzzle on the topic of Elements & Periodic Table has 20 clues. Answers range from 4 to 13 letters long. This crossword is also available to download as a Microsoft Word document or a PDF.
hazard
Acid
PH Scale
Indicator
neutral
red litmus
blue litmus
toxic
corrosive
flammable
oxidising
Harmful
copper
zinc
iron
Magnesium
ignite
compound
element
periodic table