Atomic Strucute Flashcards
1
Q
Alpha consists of ?
A
2 neutrons 2 protons
2
Q
Alphas range in air ?
A
Few Cm
3
Q
Alphas ionising power
A
Strong
4
Q
Example use of alpha
A
Smoke detectors
5
Q
What is beta absorbed by ?
A
Sheet of aluminium
6
Q
What is betas range in air ?
A
Few M
7
Q
Betas ionising power ?
A
Moderate
8
Q
Example use of beta
A
Material thickened testing
9
Q
What is gamma absorbed by?
A
Thick sheets of lead
10
Q
What is gammas range in air
A
Long distance
11
Q
What is gammas ionising power ?
A
Weak
12
Q
Example use of gamma
A
Medical tracers
13
Q
Beta consists of
A
Fast moving electron from nucleus
14
Q
Gamma consists of
A
Electromagnetic radiation from nucleus
