Exam 10: Nuclear Physics

An endoergic reaction

Copper-66 decays to zinc-66 when it emits a(n)______________.

Which of the following types of radiation has the greatest ability to penetrate matter?

A positron is symbolized by

The smallest amount of a fissionable material that will give a self-sustaining chain reaction is called the

A scientist named ______________ discovered the neutron in 1932.

The common unit of radiation absorbed dosage is the ______________.

The half-life of ³H is 12 years.About how long does it take for 7/8 of a sample of that radionuclide to decay?

Short-term and long-term effects of radiation on the health of the recipient are called ______________ effects.

The most important force between a proton and a neutron is the ______________ force.

Short-term and long-term effects of radiation on the health of the recipient are called ______________ effects.

When ${ } _ { 39 } ^ { 90 } \mathrm { Y }$ decays to ${ } _ { 40 } ^ { 90 } \mathrm { Zr }$ ,a(n)_____________ is emitted.

After seven half-lives have elapsed,what fraction of the original amount of radionuclide remains?

The atomic mass of a hypothetical element consisting of 50% ³⁰X and 50% ³²X would be about ______________ u.

Isotopes of an element differ in their numbers of ______________.

The time it takes for one-half of a sample of a radionuclide to decay is called its ______________.

The reaction ${ } _ { 1 } ^ { 2 } \mathrm { H } + { } _ { 1 } ^ { 2 } \mathrm { H } \rightarrow { } _ { 2 } ^ { 3 } \mathrm { He } + { } _ { 0 } ^ { 1 } \mathrm { n }$ Is an example of

A positron is the ______________of an electron.

The United States' effort to build an atomic bomb was named the ______________ Project.

Determine the atomic mass of a hypothetical element that occurs on Earth as a mixture of 20.00% ³²X (atomic mass of isotope = 32.00 u)and 80.00% ³⁴X (atomic mass of isotope = 34.00 u).