Lesson 4 - Properties Of Alpha, Beta And Gamma Flashcards
What is ion?
An atom which has gained or lost electrons
How would you make a positive ion? In terms of protons and electrons.
An atom loses electrons
How would you make a negative ion? In terms of protons and electrons.
An atom gains electrons
Order the types of radiation from most ionising to least ionising.
Alpha, Beta, Gamma
Order the types of radiation from most penetrating to least penetrating.
Gamma, Beta and Alpha
How far can an Alpha particle travel in air?
2.5cm in air
How far can a beta particle travel in air?
1 metre in air
How far can a Gamma particle travel in air?
1 kilometer in air
What stops alpha radiation?
Paper or skin
What can stop beta radiation?
Thin sheet of aluminium
What can stop gamma radiation?
Lead
What can stop neutron radiation
Thick wall of lead
What types of radiation is stopped by paper or skin?
Alpha radiation
What types of radiation is stopped by a thin sheet of aluminium?
Alpha and beta
What types of radiation are stopped by lead?
Alpha, beta and gamma
What types of radiation is stopped by a thick wall of lead?
Aloha, beta, gamma and neutron