The atomic mass number of Radium is `A=226`, its half life is `1622` years. What is the activity of `1g` Radium ?

The half life of radium is 1600 years. The mean life of radium is

Find the activity of 1 gm of radium (._(88)Ra^(226)) Whose half life is 1620 years.

If the half life of radium is 1620 years then its decay constant is

If the half life of radium is 1620 years then its decay constant is

Half life of radium is 1600 years. Its average life:

The half-life of Radium-226 is 1600 years. What will be the activity of a sample containing 1 mg of this element. Given, Avogadro number = 6.023xx10^23.mol^(-1) .