Types of radiation

The three types of radiation are...

• Alpha, beta and delta

• Alpha, beta and gamma

• Beta, delta and gamma

• Gamma and insignia

Tags

NGSS.HS-PS1-8

The atomic number of an element shows...

• Number of protons

• Number of electrons

• Number of neutrons and protons

• Number of protons and electrons

The mass number of an element shows...

• Number of protons only

• Number of protons and electrons

• Number of protons and neutrons

• Number of neutrons only

Tags

NGSS.HS-PS1-8

Half life of a radioactive element means...

• The time taken for all of the unstable nuclei to decay

• The time taken for half of the unstable nuclei to decay

Tags

NGSS.HS-PS1-8

A _________ isotope is one that does not decay into other elements

Tags

NGSS.HS-PS1-8

An ion is an atom or molecule with a net electric charge from a loss or gain of one or more _________

Tags

NGSS.MS-PS2-5

Ionising radiation occurs when the nucleus of an unstable element ___________

• Explodes

• Melts

• Decays

• Disappears

Tags

NGSS.HS-PS1-8

Gamma radiation has a positive relative charge

• True

• False

Alpha particles are the least dangerous outside of our body because they cannot penetrate ______________

Gamma rays are stopped by

• A thin sheet of aluminium

• Skin

• A thick sheet of cardboard

• A thick sheet of lead

Tags

NGSS.HS-PS4-4