Chem

C-14

Used in detecting the age of once living organisms (fossils)

I-131

Used in detecting thyroid cancer

U-238

Used in geological formation and age of rocks

Which particle has the least mass?

beta particle

In which type of nuclear reaction do nuclei combine to form a nucleus with a greater mass?

fusion

Which radioactive emission has the greatest penetrating power, but the least ionizing power?

gamma ray

In a particle accelerator, the accelerated particle primarily gains

kinetic energy

A particle accelerator is used to provide charged particles with sufficient

kinetic energy to penetrate a nucleus

Half-life

length of time required for half of the radioactive atoms in a sample to decay

In which reaction is an atom of one element converted into an atom of another element?

transmutation

Co-60

Cancer treatment, tracing

Which statement describes a benefit of using fission reactions?

Large amounts of energy are produced per mole of reactant.

Which change occurs during a nuclear fission reaction?

Matter is converted to energy

Which product of nuclear decay has mass but no charge?

Neutrons