This printable crossword puzzle on the topic of Elements & Periodic Table has 10 clues. Answers range from 3 to 9 letters long. This crossword is also available to download as a Microsoft Word document or a PDF.
the smallest piece of an element
substances containing only one kind of atom
the center section of an atom
have a positive charge
have no charge
have a negative charge
cloudlike space around the nucleus
maximum number of electrons any atom can have in its first shell
maximum number of electrons any atom can have in its second shell
Danish scientist known for research on atomic structure