Front

What type of radiation releases an electron?

Back

Beta radiation

Front

What is the time taken for half of an amount of radioactive atoms to decay?

Back

Half-life

Front

What is the name of the isotope with the symbol I-131?

Back

Iodine-131

Front

When the isotope 50_24X releases a beta particle, what is the resulting element Y?

Back

50_25Y

Front

Which type of nuclear radiation can be stopped by a sheet of paper?

Back

Alpha radiation

Front

What is the definition of nuclear fusion?

Back

A process where two light atomic nuclei combine to form a heavier nucleus, releasing energy.

Front

What is the definition of nuclear fission?

Back

A process where a heavy nucleus splits into two or more lighter nuclei, accompanied by the release of energy.

Front

What is a radioactive isotope?

Back

An isotope that is unstable and decays over time, emitting radiation.

Front

What is the difference between alpha, beta, and gamma radiation?

Back

Alpha radiation consists of helium nuclei, beta radiation consists of electrons, and gamma radiation consists of high-energy photons.

Front

What is the significance of the half-life in nuclear chemistry?

Back

It helps determine the rate of decay of radioactive substances and is crucial for dating materials.