Uranium

15 Points Per Correct Answer - No time limit  

1. Uranium is the heaviest element with a one-letter atomic symbol, U. Answer: (True or False)

2. Uranium has how many isotopes? Between 13 and 15 9 or fewer Between 10 and 12 16 or more

3. Uranium was first isolated as an element in: 1941 1841 1922 1776

4. Uranium was used in the two atomic bombs dropped on Japan in WWII; one bomb used it as the main explosive, the other as a tamper around a plutonium core. On which city was the strictly-uranium bomb dropped? Nagasaki Hiroshima Tokyo Kyoto

5. Which of the following minerals does NOT contain uranium? pitchblende gypsum carnotite tobernite