This printable crossword puzzle on the topic of Elements & Periodic Table has 20 clues. Answers range from 3 to 12 letters long. This crossword is also available to download as a Microsoft Word document or a PDF.
The change in state from a solid directly to a gas
A change in state from liquid to solid
A state of matter with no definite shape or volume
A positively charged subatomic particle
Two or more substances that are not chemically combined
A state of matter that has a definite shape and volume
A neutral subatomic particle
A change in state from a gas to a liquid
A state a matter that has no definite shape but a definite volume
A negatively charged subatomic particle
Vaporization that takes place on the surface of a liquid
Vaporization that takes place inside a liquid
The number of protons in an atom
Two or more substances that are chemically combined
An organelle inside an atom that contains subatomic particles
How much matter of a substance is contained in a certain volume
Anything that takes up space
How much matter is in an object
A unit of measurement of subatomic particles
The amount of space that matter occupies