P4-atomic Structure Flashcards
1
Q
Alpha particles
A
2 neutrons
2 protons
2
Q
Beta particles
A
1 electron
3
Q
Gamma rays
A
Waves of electromagnetic radiation
4
Q
Radiation is a type of ….. transfer
A
Engergy
5
Q
It causes …. to mutate and leads to …..
A
Cells
Cancer
6
Q
What can stop alpha particles
A
Sheet of paper
7
Q
How far can alpha particles travel
A
Few centimetres
8
Q
What can stop beta particles
A
A sheet of aluminium
9
Q
How far do beta particles travel
A
A few meters
10
Q
What can stop gamma rays
A
Thick sheets of lead or meters of concrete
11
Q
How far can gamma rays travel
A
A long distance
12
Q
Put alpha, beta and gamma in order of ionising power
A
Strongest alpha
Beta
Gamma
13
Q
Unit for speed
A
M/S
14
Q
Formula for speed
A
Distance / time
15
Q
Jakob ran 50m in 6 seconds what was his speed?
A
50/6= 8.3 m/s
