Nuclear Physics
Crossword
Complete the crossword, then click on "Check" to check your answer. If you are stuck, you can click on "Hint" to get a free letter. Click on a number in the grid to see the clue or clues for that number.
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Check
Across:
1.
The phenomenon of spontaneous emission of radiation from certain elements on their own
4.
An ore of Uranium
5.
Discovered by J J Thompson
Down:
2.
The phenomenon of nuclear decay of certain elements with the emission of radiations
3.
The mass of an atom is concentrated in this part
OK