This printable crossword puzzle has 20 clues. Answers range from 3 to 21 letters long. This crossword is also available to download as a Microsoft Word document or a PDF.
Positive Charge
Negative charge
Neutral charge
Smallest Unit of Matter
Center of an atom
Number of protons and neutrons in the nucleus of an atom
This number identifies the element and is equal to the number of protons found in the nucleus.
An atom with a charge (unequal number of protons and electrons)
Versions of the same element with different numbers of neutrons
The possible energies that an electron in an atom can have.
The weighted average mass of all of an element's isotopes' mass numbers
A visual model showing the most likely locations for the electrons in an atom
The arrangement of electrons around the nucleus of an atom.
When all of the electrons in an atom have their lowest possible energies
All matter is made up of this
Everything is made up of this
A thing that is composed of two or more elements
A group of atoms bonded together
a lasting attraction between atoms, ions or molecules that enables the formation of chemical compounds.
a chemical bond that involves the sharing of electron pairs between atoms.