Radioactivity and Nuclear Equations Flashcards
1
Q
Alpha particles are blocked by …..
A
paper, skin or a few cm of air
2
Q
Beta particles are blocked by ….
A
thin metal
3
Q
Gamma rays are blocked by ….
A
thick lead or very thick concrete
4
Q
When completing nuclear equations in an exam, check….
A
The totals of the atomic numbers and mass numbers on the right are the same as the atomic number and mass number on the left.
4
Q
When balancing nuclear equations…
A
The overall charge and mass have to be the same after the nuclear reaction as they were before.
5
Q
What is neutron radiation?
A
It is a type of radiation when neutrons are emitted. It’s ionising too.
(don’t need to know properties, just how to balance a neutron decay equation)
