How long will it take for 50% of a sample of 131I to decay when undergoing beta decay with a half-life of 8.07 days?

Acurium-245 nucleus is hit with a neutron and changes as shown by the equation. complete the equation by filling in the missing parts. 52

Use the drop-down menus to answer each question. which runner finished the 100 m race in the least amount of time? which runner stopped running for a few seconds during the race? at what distance did anastasia overtake chloe in the race?

Select all of the methods through which a drug can enter your body. injection swallowing inhalation absorption