This printable crossword puzzle on the topic of Elements & Periodic Table has 12 clues. Answers range from 3 to 16 letters long. This crossword is also available to download as a Microsoft Word document or a PDF.
The building blocks of matter
Center of an atom; contains neutrons and protons
Positively charged particle in an atoms nucleus
Particle without a charge in an atoms nucleus
Pure substance composed of only one type of atom
Two or more atoms of the same element having different numbers of neutrons
Pure substance with unique properties; formed when two or more different elements combine
Type of chemical bond formed when atoms share electron
Compound whose atoms are held together by covalent bonds
Atom that is negatively or positively charged because it has lost or gained one or more electrons
Electrical attraction between two opposite charged atoms or groups of atoms
Attractive forces between molecules