Nuclear

123456
Across
  1. 2. Dropped on japan in world war II and cost 2 billion dollars
  2. 4. of or relating to the nucleus of an atom.
  3. 5. a compound or substance that has been purified
  4. 6. Poisonous
Down
  1. 1. About 220,000 people had to leave their homes
  2. 2. Runs on a nuclear reactor
  3. 3. able or likely to cause harm or injury.