Archive for June 10th, 2008

what is the family name of molybdenum?

Tuesday, June 10th, 2008
Pooton asked:


like noble gases, halogen, etc?

Investment Property

Posted in Botany | 2 Comments »

For 1.3 mole of molybdenum-99, half-life 67 hours, how many disintegrations occured after 20 mins?

Tuesday, June 10th, 2008
trish asked:


For 1.3 mole of the radioactive isotope molybdenum-99, half-life = 67 hours, how many disintegrations have occurred after 20 minutes?

Credit Cards for Bad Credit

Posted in Chemistry | 1 Comment »