P3 - Particle And Matter Flashcards
1
Q
In a change of state the mass is
A
Conserved
2
Q
Specific latent heat
A
Energy needed to change state of 1kg mass
3
Q
Alpha radiation is when an
A
Alpha particle is emitted from a nucleus, strongly ionising
4
Q
Beta radiation is a
A
Fast moving electron, moderately ionising and penetrating
5
Q
Gamma radiation is
A
Electromagnetic radiation waves. Weakly ionising but travel long distances
6
Q
Alpha particles are made of
A
2 protons and 2 neutrons (helium atom)
7
Q
Alpha decay
A
Reduces atomic number by 2 and mass number by 4
8
Q
Beta decay (electron release)
A
Increases the charge of the nucleus
