Specify the values of Z, N. and A for the following nuclides: 40^K, 51^V, 130^Xe, 162^ Dy, 222^Rn, and 238^U.

A 6310 Ci 60^Co source used for cancer therapy is consider too weak to be useful when it's activity falls to 3500Ci. How long in years after it's manufacture does this happen?

Provide the hydrolysis reactions for UO22+.  Which hydrolysed uranium species will be prone to precipitation?

Consider the following:  48Ar; 98Rh; 190Os; 243Am Will all four undergo radioactive decay?

(b)Briefly discuss different dielectric polarization mechanisms. Also specify temperature dependence in each case. (b) How many alpha and beta particles are emitted when uranium 92U 238 decay to lead 82Pb206.

Write the products for the nuclear decay reaction of 192Pt (or Pt-192) which decays by emitting both a 78- BETA particle and GAMMA energy.

How long can a 54-lb child be exposed to 1.0 mCi of radi-ation from 222Rn before accumulating 1.0 mrad if the energy ofeach disintegration is 5.59 MeV?

An old campfire is uncovered during an archaeological dig. Its charcoal is found to contain less than 1/1000 the normal amount of 14C . Estimate the minimum age of the charcoal, noting that 210 = 1024 .   Data from the appendices and the periodic table may be needed for these problems.

Complete and balance the following nuclear equation: Rubidium-96 + cesum-135 + X ---> uranium-235. With solution please

How much of a sample of cesium-137 (t1/2=30 years) must have been present originally if, after 270 years, 15.0 g remain?