Test 2

What is radioactivity?

• A molecule with unstable nucleus

• An atom with an unstable nucleus

• Electrons that excite the valence shell

• Proton with unstable nucleus

What are the 2 forms of radioactive decay? (select 2)

• B/

• B+

• B-

• Bx

What is produced during B- Decay?

• Photons

• Radioactive Decay

• Positrons

• Electrons

What does B+ decay produce?

• electrons

• ions

• extra

  radioactive

  decay

• positrons

How is radioactivity measured? (select 2)

• Becquerels

• Curie

• Kerma

• Sievert

During alpha decay, (the number of) ___ proton and ___neutrons are released

• 2/2

• 3/3

• 1/2

• 1/2

Which has more penetrating power?

• Gamma

• Alpha Particles

• Beta Particles

• Lambda