Question

define one curie unit of radioactivity what do you mean by Half Life​

Answer 1

Answer:

In Chapter 15 “Nuclear Chemistry”, Section 15.2 “Half-Life”, we used mass to indicate the amount of radioactive substance present. ... The unit curie (Ci), now defined as 3.7 × 10 10 decays/s, was originally defined as the number of decays per second in 1 g of radium