This printable crossword puzzle on the topic of Elements & Periodic Table has 10 clues. Answers range from 4 to 9 letters long. This crossword is also available to download as a Microsoft Word document or a PDF.
Made of two or more elements
Pure substance that can't be broken down
Mass number of 12
Center of an atom
All matter is made up of this
Has an atomic number of 79
12 as number of neutrons
Chemical symbol is K
Has no charge at all
Has a positive electric charge