## Radon price: $4/m ?? I'm doing some research on Radon. I have to put together a PowerPoint presentation that describes its origins, properties, characteristics, etc. (Each student was assigned a different element.) One piece of information I'm required to report on is current price to purchase a sample of the element. I have found only one source that mentions a purchase price for Radon, and it says "Radon can be purchased for approximately$4/m." - without further explanation.

What is "m"?? I assume it must be a unit of volume or mass, but if so I'm not familiar with it.

Any ideas?
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 Recognitions: Gold Member Science Advisor Mmmmm metre, that well known unit of mass... Can we see the source?
 Yes, of course! Sorry, I should have posted that. The actual quote is "Radon is available at a cost of about $4/m." http://www.scescape.net/~woods/elements/radon.html edit: That same source has a table above the text which states that the cost is "$/100g" (no numeric value is given).

## Radon price: $4/m ?? Hmmm... I just found another source that says: "Radon is available at a cost of about$4/m Ci."

I know that Ci is a Curie, measuring radioactivity. Could "m Ci" mean mCi: a milli-Curie?

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 Quote by Bruce Bacher Hmmm... I just found another source that says: "Radon is available at a cost of about $4/m Ci." I know that Ci is a Curie, measuring radioactivity. Could "m Ci" mean mCi: a milli-Curie? That would be right. AM  Woohoo! That makes a lot more sense than "m"!  Similar discussions for: Radon price:$4/m ?? Thread Forum Replies General Discussion 46 Nuclear Engineering 10 Calculus & Beyond Homework 2 General Discussion 4