My Crossword Maker Logo
Powered by BrightSprout
Save Status:
or to save your progress. The page will not refresh.
Controls:
SPACEBAR SWITCHES TYPING DIRECTION
Answer Key:
Edit a Copy:
Make Your Own:
Crossword Word Search Worksheet
Rate This Puzzle:
Log in or sign up to rate this puzzle.

Radioactivity

Across
The high-energy particles and electromagnetic radiation emitted by a radioactive substance
High-frequency electromagnetic radiation emitted by radioactive elements
Smallest unit into which matter can be divided and still retain the characteristic properties of an element
Chemical compound in which one or more atoms have been replaced
A unit of absorbed energy
An electrically neutral subatomic particle of the atomic nucleus
Down
Consist of two protons and two neutrons
A electron released from a nucleus
Radiation that carries enough energy to detach electrons from atoms or molecules.
Form of electromagnetic radiation
A positive electric charge
A group of atoms bonded together