Exam 16: The Atomic Nucleus and Radioactivity

X-rays may be regarded as

Compared to the mass of a uranium nucleus before splitting, the pieces it splits into have

Compared to the energy produced by fissioning a gram of uranium, the energy produced by fusing a gram of deuterium is

Different isotopes of an element have different numbers of

Electric forces within an atomic nucleus tend to

When radium (A = 88) emits an alpha particle, the resulting nucleus has atomic number

Three isotopes that undergo nuclear fission are

A nucleon has more potential energy with respect to a nucleus when it is

An element emits 1 alpha particle, 1 positron, and 3 beta particles. Its atomic number

When two light atoms fuse together, mass

When U-239 emits a beta particle, the nucleus left behind has

The fate of the world's uranium supply is to eventually become

In a breeder reactor

A chain reaction grows when the average number of liberated neutrons which go on to cause further fissions is

The end result of radioactive decay can be a different

When a nucleus emits a beta particle, its atomic number

The mass of a nucleon is greatest where its potential energy is

An element will decay to an element with higher atomic number in the periodic table if it emits

Which shape uses the smallest amount of material when creating a critical mass?

When a nucleus emits a positron, its atomic number