Radioactive Decay

Question 1

WHAT IS RADIOACTIVE DECAY?

Answer 1

When an unstable nucleus releases some type of radiation, producing a new nucleus (daughter isotope)

Question 2

WHAT IS A RADIO ISOTOPE?

Answer 2

Any natural or human-made unstable atom, used for medicine

Question 3

WHAT ARE THE THREE TYPES OF RADIATION?

Answer 3

Alpha, Beta, Gamma

Question 4

True or False:

An Alpha particle is the same as a helium nucleus!

Answer 4

True!

Question 5

What is the charge of an alpha particle?

Answer 5

+2

Question 6

True or False:

A Beta particle is the same as a proton

Answer 6

False! it is a high energy ELECTRON

Question 7

WHAT IS THE CHARGE OF A BETA PARTICLE

Answer 7

-1

Question 8

WHAT ARE THE PROPERTIES OF A GAMMA PARTICLE

Answer 8

High energy, short wavelength wave

Question 9

How do you shield yourself from:

Alpha
Beta
Gamma

Answer 9

Alpha: paper or lots of air
Beta: aluminium foil or plexiglass
Gamma: Thick lead or concrete

Question 10

Which particle is not affected by electric and magnetic fields

Answer 10

Gamma particles!