Across
- 5. Helped to build the atomic bomb
- 8. City Bombed August 9th
- 9. Leader of Japan During World War 2
- 10. Used in atom bombs, periodic table 92
Down
- 1. City Bombed August 6th
- 2. Russian Bomb with the highest kiloton yield
- 3. Arms race occurring after World War II
- 4. came up with the first idea of an atomic bomb
- 6. Used in atom bombs, periodic table 94
- 7. largest Bomb dropped on Japan
