Nuclear Chemistry review

Front

What is the symbol for an alpha particle?

Back

The symbol for an alpha particle is \( \text{ } ^4_2\text{He} \text{ } \).

Front

What can an alpha particle penetrate?

Back

An alpha particle cannot penetrate a sheet of paper, a thin layer of cloth, or a sheet of aluminum.

Front

What is the daughter isotope produced when Radium-223 undergoes gamma decay?

Back

Radium-223 (\( ^{223}_{88}\text{Ra} \)) undergoes gamma decay to produce \( ^{223}_{88}\text{Ra} + \gamma \).

Front

In the symbol \( ^{206}_{82}\text{Pb} \), what does 206 represent?

Back

In the symbol \( ^{206}_{82}\text{Pb} \), 206 represents the mass number.

Front

What is a nuclear reaction where a nucleus splits into two smaller nuclei called?

Back

A nuclear reaction where a nucleus splits into two smaller nuclei is called fission.

Front

What is the definition of nuclear fission?

Back

Nuclear fission is the process in which a heavy nucleus splits into two smaller nuclei, releasing energy.

Front

What is the definition of nuclear fusion?

Back

Nuclear fusion is the process where two light atomic nuclei combine to form a heavier nucleus, releasing energy.

Front

What type of radiation is emitted during gamma decay?

Back

Gamma decay emits gamma rays, which are high-energy electromagnetic radiation.

Front

What is the atomic number of an element?

Back

The atomic number of an element is the number of protons in the nucleus of an atom.

Front

What is the mass number of an atom?

Back

The mass number of an atom is the total number of protons and neutrons in its nucleus.