Radioactive seeds that are implanted into a tumor are coated with ...

[AEWBW]

Radioactive seeds that are implanted into a tumor are coated with ________ to stop alpha and beta ray penetration.
 
  Fill in the blank(s) with correct word

Question 2

Classify the following type of stoichiometry problem: How many grams of tin must react with an excess volume of nitric acid to produce 50.0 mL of hydrogen gas?
 
  A) mass-mass problem
  B) mass-volume problem
  C) volume-volume problem
  D) mole-mole problem
  E) none of the above

[iman]

Answer to Question 1

platinum

Answer to Question 2

B

[AEWBW]

Great answer, keep it coming

[jojobee318]

Thanks for the timely response, appreciate it