The isotopes Radium-`224(_(88)Ra^(224))` and Radium-`226(_(88)Ra^(226))` both undergo spontaneous `alpha`-particle decay.
Radium-224 has a half - life of 3.6 days.
Calculate the decay constant of Radium-224.

The isotopes Radium- 224(_(88)Ra^(224)) and Radium- 226(_(88)Ra^(226)) both undergo spontaneous alpha -particle decay.The enrgy of the alpha -particles emitted froim radium -224 is 5.68 MeV and from Radium-226,4.78 MeV Suggest with a reason ,which of the two isotopes has the larger decay constant.

One gram radium is reduced by 2 milligram in 5 years by alpha -decay. Calculate the half period of radium.

One gram of _(88) Ra^(226) has activity of one curie .Find its half-life period.

The isotope Phosphorus-33 undergoes beta - decay to form Sulphur-33, which is stable.The half - life of Phosphorus-33 is 24.8 days. Show that the decay constant of Phosphorus -33 is 3.23 xx 10^(-7) s^(-1) .

The atomic weiht of radium is 226 .It is observed that 3.67 xx 10^(10) alpha - particles are emitted per second from one gramp of radium.Calculate in years the half-life period of radium.

Select the correct statement(s) : a) On bombarding ._(7)^(14)N nuclei with alpha -particle, the nuclei of the product formed after release of proton would be ._(8)^(17)O b) Decay constant does not depend upon temperature c) Nuclide and its decay product after alpha -emission are called isodiaphers d) Half-life of radium is 1580 years . Its average life will be 1097.22 years

Write nuclear reaction equations for- alpha-decay of "_88^226Ra

The isotope Phosphorus-33 (_(15)P^(33)) undergoes beta - decay to form "Sulphur"-33(_(16)S^(33)) ,which is stable.The half - life of Phosphorus-33 is 24.8 days. A pure sample of Phosphorus - 33 has an initial activity of 3.7 xx 10^6 Bq.Calculate the number of Phophorus - 33 nuclei remaining in the sample after 30 days.

An isotope _(92)U^(238) decays successively to form _(90)Th^(234),_(91)Pa^(234),_(92)U^(234),_(90)Th^(230) and _(88)Ra^(226) .What are the radiation emitted in these five steps?

The isotope Phosphorus-33 undergoes beta - decay to form Sulphur-33,which is stable.The half - life of Phosphorus-33 is 24.8 days. A pure sample of Phosphorus - 33 has an initial activity of 3.7 xx 10^6 Bq. Calculate the initial number of Phosphorus - 33 nuclei in the sample,