Read the following paragraph and answer the question. Give ONLY the answer, no other words or explanation.

For example:

Answer: <most likely answer, as short as possible>.

Paragraph: 
Potent oxidants are needed to oxidize the noble gases to form compounds in positive oxidation states.


Question: What are needed to oxidize the noble gases to form compounds in positive oxidation states?
potent oxidants
Potent oxidants.