RA & Nuclear Radiation Doodle Notes & Vocab Review

A positively-charged particle consisting of 2 pro & 2 neu that is emitted by radioactive materials.

• alpha

• beta

• gamma

Who discovered radioactivity?

• J.Robert Oppenheimer

• Albert Einstein

• Marie Curie

• Isaac Newton

Atoms of the same element with varying numbers of neutrons (masses).

• isotopes

• strong force

• radioactive

the process of changing one element into a different element.

• half-life

• isotopes

• strong force

• transmutation

In ____ atoms, the large number of protons are spread out causing the strong force to fail.

• large

• small

All elements with atomic number greater than __ are radioactive.

a process of splitting a nucleus into 2 or more smaller nuclei

• fusion

• fission

a high-energy electron that is emitted when a neutron decays into a proton

• alpha particle

• beta particle

• gamma ray

In which type of radioactive decay does the unstable nucleus emit a helium nucleus (2 pro 2 neu)?

• alpha decay

• beta decay

• gamma radiation

Process of 2 or more nuclei combining to form a nucleus of larger mass

• fusion

• fission