Nuclear Chemistry Review

Front

What is gamma decay?

Back

Gamma decay is a type of radioactive decay that involves the release of gamma rays, which are high-energy electromagnetic radiation. It does not change the identity of the atom.

Tags

NGSS.HS-PS1-8

Front

What are the characteristics of gamma particles?

Back

Gamma particles have no charge and no mass.

Tags

NGSS.HS-PS1-8

NGSS.HS-PS4-3

Front

What are alpha particles?

Back

Alpha particles are a type of radioactive particle that consists of 2 protons and 2 neutrons, giving them a positive charge and a mass of approximately 4 atomic mass units (AMU).

Tags

NGSS.HS-PS1-8

Front

How long does it take for a substance to decay if it starts with 20 grams and takes 6 hours to decay?

Back

It takes 6 hours for 20 grams of the substance to decay.

Tags

NGSS.HS-PS1-8

Front

Which type of particle has a positive charge?

Back

Alpha particles have a positive charge.

Front

What is the difference between alpha decay and gamma decay?

Back

Alpha decay involves the emission of alpha particles, which changes the identity of the atom, while gamma decay involves the emission of gamma rays and does not change the identity of the atom.

Tags

NGSS.HS-PS1-8

Front

What is the mass of an alpha particle?

Back

An alpha particle has a mass of approximately 4 atomic mass units (AMU).

Front

What type of radiation is emitted during gamma decay?

Back

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

Tags

NGSS.HS-PS1-8

Front

What happens to the atomic number of an atom during alpha decay?

Back

During alpha decay, the atomic number of the atom decreases by 2.

Tags

NGSS.HS-PS1-8

Front

What is the charge of an alpha particle?

Back

An alpha particle has a positive charge.