Radioisotopes

Charged particles and electromagnetic waves that are emitted from the nuclei of radioisotopes

• Nuclear radiation

• Radioactivity

• Radioisotope

The process in which an unstable atomic nucleus emits charged particles and energy

• Radioisotope

• Radioactivity

• Strong nuclear force

An isotope with an unstable nucleus

• Background radiation

• Critical mass

• Radioisotope

Isotopes have different numbers of

• protons
• neutrons
• electron
• properties

Radioactive materials have unstable...

• electrons
• protons
• nuclei
• neutrons

Tags

NGSS.HS-PS1-8

True or False:  During nuclear decay atoms of one element can change into atoms of a different element altogether. 

• True
• False

What would two different isotopes of an atom have in common?

• Number of neutrons 
• Number of protons
• Atomic weight 
• Atomic mass

A positively charged particle made up of two protons and two neutrons. (The same as a helium nucleus)

• alpha particle
• beta particle
• gamma rays
• charged nuclei

This is an electron emitted by an unstable nucleus and has a negative charge

• beta particle
• alpha particle
• gamma rays
• nuclear electrons

Is a penetrating ray of energy emitted by an unstable nucleus. 

• gamma ray
• beta particle
• alpha particle