Alpha Particles Flashcards
1
Q
Symbol
A
He^2+
2
Q
Ionising ability
A
High
3
Q
Speed
A
0.2c (c = speed of light)
4
Q
Mass
A
~ 4 protons
5
Q
Penetration
A
A few cm of air or a sheet of paper
Symbol
He^2+
Ionising ability
High
Speed
0.2c (c = speed of light)
Mass
~ 4 protons
Penetration
A few cm of air or a sheet of paper