Sodium-24 is used for monitoring blood circulation. If 2.54 ug of sodium-24 has an activity of 22.2 Ci, what is its decay constant, k, and its half-life, 12? The mass of a sodium-24 atom is 24m,. k= [12= What mass of the sodium-24 sample remains after 36.0 h? m= 8-1 50 148

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Writing and Balancing Nuclear Equations

A nuclear equation is a symbolic representation of a nuclear reaction using certain symbols. It is studied in nuclear chemistry and nuclear physics.