This printable crossword puzzle on the topic of Elements & Periodic Table has 20 clues. Answers range from 3 to 13 letters long. This crossword is also available to download as a Microsoft Word document or a PDF.
Particles are spread throughout liquid or gas but the particles are small and do not settle quickly
Substances are evenly spread throughout
Electrically neutral particle found in the nucleus of an atom
Number placed in front of a chemical formula in a chemical equation so that the equation is balanced
Atom that has gained electrons; A negative ion
Atom that has lost electrons; A positive ion
Anything that has mass or volume
Element that is a poor conductor of heat and electricity, has a dull surface, low melting point, is brittle, breaks easily, and forms negative ions
Positively charged particle found in the nucleus of an atom
Pure substance made up of only one kind of atom that cannot be broken down into simpler substances by ordinary chemical changes
Atom that loses or gains electrons; Charged atom
Number placed to the lower right of a chemical symbol to indicate the number of atoms of the element in the compound
Smallest particle of a substance that has the physical and chemical properties of that substance; Made up of 2 or more atoms that are chemically bonded
A mixture that does not have a uniform composition
Two or more pure substances that are mixed but not chemically bonded
Mixture in which the particles of a material are spread throughout a liquid or gas but are too large to stay mixed without being stirred or shaken
Negatively charged particle that moves around the nucleus of an atom in a region called the electron cloud
Substance made up of molecules that contain more than one kind of atom; two or more elements chemically combined
One substance dissolved into another substance
Atom of a substance that has the same number of protons but a different number of neutrons as another atom of the same substance