Which radioisotope is used for diagnosing thyroid disorders?
(1) u-238 (3) i-131
(2) pb-206 (4) co-60

Which of the following statements is true about planck’s law

Solutions of sodium carbonate and silver nitrate react to form solid silver carbonate and a solution of sodium nitrate. a solution containing 3.50 g of sodium carbonate is mixed with one containing 5.00 g of silver nitrate. how many grams of sodium carbonate, silver nitrate, silver carbonate, and sodium nitrate are present after the reaction is complete?

Which of the following substances is the most soluble in water? a. sodium chloride b. methane c. bromine d. carbon