Atoms and Molecules Crossword
This printable crossword puzzle on the topic of Elements & Periodic Table has 10 clues. Answers range from 4 to 10 letters long. This crossword is also available to download as a Microsoft Word document or a PDF.
Description
The sum of the masses of all of the atoms in a molecule.
Pure chemical substance that cannot be broken down into other types of substances; consists of one type of atom.
The smallest unit of a chemical element.
The number of protons and neutrons in an atom.
Tiny negatively charged particles that orbit the nucleus.
A chemical element that has a different number of neutrons.
The smallest unit of a compound; it is made of atoms.
A neutral particle in the nucleus of an atom.
The center of an atom, made of protons and neutrons.
A positively charged particle in a nucleus.
