ionising radiation Flashcards
what does the symbol for alpha look like
a fish
what is alpha
a helium nucleus
what stops alpha
paper
what is the charge of an alpha
2 positive charges
what is the mass of an alpha
4
what is the range of alpha within the air
a few cm
what does ionising mean
how much it damages living cells
how ionising is alpha
most ionising
what does the symbol for beta look like
a b with a long tail
what is beta
a high energy electron
what is the mass of beta
small, -1
what is the charge of beta
negative
what is the range of beta within the air
a few m
what stops beta
alimunium
how ionising is beta
less ionising than alpha
what does the symbol for gamma look like
a north facing alpha
what is gamma
pure energy
what is the charge of gamma
no charge
what is the mass of gamma
no mass
what is the range of gamma within the air
long range
what stops gamma
lead
how ionising is gamma
least ionising
