Radioactive Decay Version 2

Front

What happens to an atom's atomic number when it undergoes alpha decay?

Back

Decreases by 2.

Front

What happens to an atom's mass when it undergoes alpha decay?

Back

Decreases by 4.

Front

Radioactive materials have unstable...

Back

Nuclei.

Front

Back

Gamma decay.

Front

How many total protons and neutrons does an alpha particle (helium atom) have?

Back

4.

Front

Define alpha decay.

Back

A type of radioactive decay where an atomic nucleus emits an alpha particle, consisting of 2 protons and 2 neutrons.

Front

What is an alpha particle?

Back

A helium nucleus, consisting of 2 protons and 2 neutrons.

Front

What is the effect of beta negative decay on an atom's atomic number?

Back

Increases by 1.

Front

What is the effect of beta positive decay on an atom's atomic number?

Back

Decreases by 1.

Front

What is electron capture?

Back

A process where an electron is captured by the nucleus, leading to a decrease in atomic number by 1.