Nuclear Chemistry and Reactions Review questions

Front

What type of particles have low penetrating power?

Back

Alpha particles are the type of particles that have low penetrating power.

Front

What involves the structure of atomic nuclei and the changes they undergo?

Back

Nuclear Chemistry involves the structure of atomic nuclei and the changes they undergo.

Front

What is a very fast-moving electron emitted when a neutron in an unstable nucleus converts into a proton?

Back

A Beta particle is a very fast-moving electron emitted during this process.

Front

What type of radiation is high-energy (short-wavelength) electromagnetic radiation produced by radioactive sources?

Back

Gamma rays are high-energy electromagnetic radiation produced by radioactive sources.

Front

What is a slow-moving particle made up of two protons and two neutrons?

Back

An Alpha particle is a slow-moving particle made up of two protons and two neutrons.

Front

What is the process called when an unstable nucleus emits radiation?

Back

The process is called radioactive decay.

Front

What is the term for atoms of the same element with different numbers of neutrons?

Back

Isotopes are atoms of the same element with different numbers of neutrons.

Front

What type of radiation can penetrate paper but is stopped by aluminum?

Back

Beta particles can penetrate paper but are stopped by aluminum.

Front

What is the main difference between nuclear reactions and chemical reactions?

Back

Nuclear reactions involve changes in the nucleus, while chemical reactions involve changes in electron arrangements.

Front

What is the term for the energy required to remove an electron from an atom?

Back

Ionization energy is the energy required to remove an electron from an atom.