Radioisotopes

Any material that stops ionizing radiation.

• Absorber
• Atom
• Alphaparticle
• Curie

A positively charged particle (a Helium-4 nucleus) made up of two neutrons and two protons.

• Absorber
• Alpha particle
• Background Radiation
• Beta Particle

Tags

NGSS.HS-PS1-8

A particle of matter indivisible by chemical meanas. It is the fundamental building block of elements.

• Atomic Number
• Atomic Weight
• Molecule
• Atom

Tags

NGSS.HS-PS1-7

The number assigned to each element on the basis of the number of protons found in the element's nucleus.

• Alpha Particle
• Atomic Weight
• Atomic Number
• Alpha Number

Approximately the sum of the number of protons and neutrons found in the nucleus of an atom. 

• Atomic Weight (Atomic Mass)
• Background Radiation
• Atomic Number
• Alpha Mass

Tags

NGSS.HS-PS1-8

The radiation of man's natural environment originating primarily from the naturally radioactive elements of theearth and from the cosmic rays. The term may also mean radiation extraneous to an experiment.

• Cow
• Curie
• Background Radiation
• Curie Radiation

An electron of either positive charge or negative charge, which has been emitted by an atomic nucleus or neutron in the process of a transformation.

• Curie Particles
• Beta Particles
• Alpha Particles
• Daughter Particle

Tags

NGSS.HS-PS1-8

Radiocative materical deposited or dispersed in materials or places where it is not wanted.

• COW
• Curie
• Daughter
• Contamination

Tags

NGSS.HS-PS1-8

A radioisotope generator system.

• Dose
• Decay
• Cow
• Curie

Tags

NGSS.HS-PS1-8

The basic unit used to describe the intensity of radioactivity in a sample of material. One curie equals thirty-seven billion disintegrations per second, or approximately the radioactivity of one gram of radium.

• Curie
• Density
• Dose
• Alpha Dose

Tags

NGSS.HS-PS1-8