Exam 32: Nuclear Physics and Nuclear Radiation

In beta decay, it is found that the energy of the emitted electrons varies and is always less than what is calculated on the basis of the parent and daughter nuclei. This is evidence for the existence of another particle called the

Two deuterium nuclei, , fuse to produce a helium nucleus, , and a neutron. A neutral deuterium atom has a mass of 2.014102 u; a neutral helium atom has a mass of 3.016030 u; a neutral hydrogen atom has a mass of 1.007825 u; a neutron has a mass of 1.008665 u; and a proton has a mass of 1.007277 u. How much energy is released in the process? 1 u = 931.494 MeV/c².

Two deuterium nuclei, , fuse to produce a tritium nucleus, , and a hydrogen nucleus. A neutral deuterium atom has a mass of 2.014102 u; a neutral tritium atom has a mass of 3.016050 u; a neutral hydrogen atom has a mass of 1.007825 u; a neutron has a mass of 1.008665 u; and a proton has a mass of 1.007277 u. How much energy is released in the process? 1 u = 931.494 MeV/c².

is radioactive and decays in a series to . In this series, the particles ejected from the nucleus are

Particles made up of two quarks must consist of a quark-antiquark pair.

When a neutron collides with a uranium-235 nucleus it can induce a variety of fission reactions. One such reaction is: Given the following mass values: , 139.921620 u; , 93.915367 u; , 235.043924 u; , 1.008665 u, how much energy is released in this reaction? 1 u = 931.494 MeV/c².

When an unstable nucleus decays by emitting an alpha particle, the atomic number of the nucleus

Write the nuclear notation for the following nuclei: Hydrogen-2, Sulfur-33, and Lead-207.

A sodium-22 nucleus ( ) decays into a neon-22 nucleus ( ) and one other particle. What is the other particle?

Francium-223 decays to radium-223 by emitting what kind of nuclear radiation?

The neutral helium atom, , has a mass of 4.002603 u, a neutron has a mass of 1.008665 u, a proton has a mass of 1.007277 u, and a neutral hydrogen atom has a mass of 1.007825 u. What is the binding energy of the nucleus? 1 u = 931.494 MeV/c².

What combination of quarks produces a neutron and what are the electric charges on these quarks, expressed in terms of e?

The Sun is powered by the proton-proton cycle.

The force between two quarks increases with separation.

What is the binding energy per nucleon for ? The neutral atom has a mass of 26.981539 u; a neutral hydrogen atom has a mass of 1.007825 u; a neutron has a mass of 1.008665 u; and a proton has a mass of 1.007277 u. 1 u = 931.494 MeV/c².

The mass number is equal to the number of what particles in the nucleus?

The atomic number is equal to the number of what particles in the nucleus?

A β^- decay occurs in an unstable nucleus when

Consider the fission reaction: + → 2 fission products + 2 n's (a) Estimate the energy released in the reaction. (b) If 3 neutrons had been released instead of 2, what energy would have been released?

Americium-243 has a decay constant of 9.39 × 10^-5 years^-1. How long will it take for a sample of americium to lose one-third of its nuclei?