Nuclear reaction vs Chemical reaction-Stiles

Front

What are negatively charged particles found outside of the nucleus called?

Back

Electrons

Front

Compared to a chemical reaction, what does a nuclear reaction involve?

Back

A larger energy change.

Front

What happens in the nuclear reaction U → Ba + Xe + Cs?

Back

Large amounts of energy change will occur, it involves changes in numbers of protons, neutrons, and electrons, and it will not be affected by increases in temperature and pressure.

Front

True or False: When nuclei decay (radioactive decay), an element stays the same.

Back

False.

Front

Nuclear reactions involve the particles in the ____?

Back

Nucleus.

Front

What is the primary difference in energy changes between chemical and nuclear reactions?

Back

Nuclear reactions involve much larger energy changes than chemical reactions.

Front

What is radioactive decay?

Back

The process by which an unstable atomic nucleus loses energy by emitting radiation.

Front

What are the three main types of radiation emitted during radioactive decay?

Back

Alpha particles, beta particles, and gamma rays.

Front

What is a half-life in the context of nuclear reactions?

Back

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

Front

What is the role of neutrons in a nuclear reaction?

Back

Neutrons can initiate fission reactions and are involved in the stability of the nucleus.