Mikeys Atomic Words Crossword

This printable crossword puzzle has 13 clues. Answers range from 3 to 20 letters long. This crossword is also available to download as a Microsoft Word document or a PDF.

The smallest piece for an element
Is a particle with one negative charge
Most of an atoms mass and positive charge is concentrated in the center of the atom
Is an atomic particle that has one positive charge
Is a neutral particle that exists in the nucleus of an atom
Is a area around an atomic nucleus
The number of protons in a atom of element
Atoms of the same element that have different number of neutrons
An atom is then sum of the number of protons and neutrons
Elements that spontaneously emit radiation
Is the process that occurs when an unstable atomic nucleus changes into another more stable nucleus by editing radiation
An atom that is no longer neutral because it gained or lost electrons
Of element I’d the average mass of the elements isotopes weighted according to the abundance of the isotopes